Celebrating 25 Years of Terra | Simple Site

Expanded coverage of topics from “The Editor’s Corner” in The Earth Observer On December 18, 2024, Terra — the first EOS Flagship mission — celebrated the 25th anniversary of its launch from Vandenberg Space Force (then Air Force) Base. Some 70 individuals gathered at the Goddard Space Flight Center’s (GSFC) Visitor Center to celebrate this remarkable […]

Category: Earth Science

Posted on March 20, 2025

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Exploration Ground Systems

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Benefits to Science

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13

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101

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7

2

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10

299

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3

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386

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210

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3

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1

STS-113

1

Human Research Program

29

9

THEMIS-ARTEMIS (Time History of Events and Macroscale Interactions During Substorms - Acceleration, Reconnection, Turbulence and Electrodynamics of Moon's Interaction with the Sun)

1

William A. Anders

2

136

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Rings of Saturn

11

Neptune-Like Exoplanets

8

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7

Planetary Analogs

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Grades K - 4 for Educators

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26

Jet Propulsion Laboratory

285

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18

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11

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72

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1

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3

NASA Home & City

1

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29

Asteroids

48

Gateway Program

21

1

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2

6

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1

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1

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34

STS-99

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10

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1

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46

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José M. Hernández

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The Future of Commercial Space

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6

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Earth's Atmosphere

36

Space Launch System (SLS)

114

Supermassive Black Holes

21

IXPE (Imaging X-ray Polarimetry Explorer)

18

Lucy

10

Sustainable Flight National Partnership

4

Vertical Motion Simulator

1

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4

Nancy Grace Roman Space Telescope

88

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2017 Solar Eclipse

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78

Carlos I. Noriega

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2

STS-125

1

Human Space Travel Research

2

Kjell N. Lindgren

4

Thomas P. Stafford

3

William C. McCool

1

People of Space Operations

2

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Robert A. R. Parker

1

Neutral Buoyancy Lab

3

TREAT Astronauts Act

1

1

Planetary Defense

23

Mesosphere

3

S3VI

1

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23

Anil Menon

5

Flight Demonstrations and Capabilities

2

Brewster H. Shaw Jr.

1

GRAIL (Gravity Recovery And Interior Laboratory)

1

Coronal Mass Ejections

3

Electrified Aircraft Propulsion

5

Spinoffs

46

1

MAF Announcements

1

Technology Highlights

40

Volcanoes

18

28

1

Quesst: The Vehicle

17

NASA Innovative Advanced Concepts (NIAC) Program

39

Advanced Plant Habitat (APH)

3

Europa Clipper Resources

8

41

Gateway Space Station

28

CHAPEA Mission 2

1

Diversity at NASA

24

SOFIA (Stratospheric Observatory for Infrared Astronomy) / 747-SP

2

STS-64

2

ICESat-2 (Ice, Cloud and land Elevation Satellite-2)

5

Landsat 9

45

Student Opportunities

1

Interacting Galaxies

4

7

University Leadership Initiative

7

Polar

1

4

Science Instruments

8

Office of Diversity and Equal Opportunity (ODEO)

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Apollo 16

1

Former Astronauts

18

Candidate Astronauts

15

141

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35

EPSCoR

3

Sensing the Universe & Multimessenger Astronomy

4

STEM Engagement at NASA

78

JPSS-4

1

The Great Red Spot

1

WB-57

3

Pandora Mission

2

Mars Exploration Rovers (MER)

4

Remote Sensing Technology

3

Natural Disasters

30

AeroSpace Frontiers

59

Exoplanets

95

Atmospheric Waves Experiment (AWE)

3

29

CloudSat

1

Early Stage Innovations (ESI)

3

1

31

Alan B. Shepard Jr.

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Exploration Systems Development Mission Directorate

73

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Earth's Magnetic Field

5

Space Nuclear Propulsion (SNP)

4

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2

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1

Swift Boost Mission

4

Vesta

2

Opportunities For Educators to Get Involved

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Protostars

21

31

7

2023 Solar Eclipse

9

Artemis 2

202

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42

Carruthers Geocorona Observatory (GLIDE)

7

High-Tech Computing

14

Deep Space Climate Observatory (DSCOVR)

5

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6

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1

Human Spaceflight Mission Directorate

3

Knowledge Inventory For Professionals

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Titan

4

William R. Pogue

1

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2

Marshall Science Projects

8

Robert D. Cabana

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Trojan Asteroids

5

Planetary Defense Coordination Office

27

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1

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1

NOAA (National Oceanic and Atmospheric Administration)

20

1

Flight Demos Capabilities

4

11

Grants & Opportunities

6

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2

Electrified Powertrain Flight Demo

3

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77

John B. Herrington

1

MAF Employee Assistance Program

5

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10

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8

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1

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1

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2

NASA Open Source Software

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Events

20

Astrogram

8

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3

Charles F. Bolden Jr.

1

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5

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6

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2

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22

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21

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549

Libera

1

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6

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11

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3

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228

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63

Apollo 8

3

1

6

Heliophysics Division

68

Curiosity (Rover)

29

ER-2

5

Sentinel-6 Michael Freilich Satellite

9

4

JUICE (Jupiter Icy Moons Explorer)

1

The Human Body in Space

4

Weather and Atmospheric Dynamics

10

Parker Solar Probe (PSP)

10

2

Research and Technology at Kennedy Space Center

16

NEA Scout (Near Earth Asteroid Scout)

1

Aerospace Safety Advisory Panel

2

Exosphere

2

Audio

6

Glenn Research Center

237

COBE (Cosmic Background Explorer)

1

Earth

281

Robert L. Crippen

1

4

1

Explore

7

9

GOLD (Global-scale Observations of the Limb and Disk)

3

Commercial Supersonic Technology

15

133

Space Operations Mission Directorate

60

Supernova Remnants

8

James A. McDivitt

1

Lunar Discovery & Exploration Program

2

SWOT (Surface Water and Ocean Topography)

18

Victor J. Glover

23

Opportunities For International Participants to Get Involved

12

Psyche Asteroid

8

NASA Art Program

3

2024 Solar Eclipse

46

Artemis 3

46

Galaxy clusters

17

Cassini

10

Deep Space Network

15

69

STS-128

1

Human System Risks

17

LAGEOS (LAser GEOdynamics Satellite)

2

TOPEX / Poseidon (ocean TOPography EXperiment)

1

2

Perseverance (Rover)

42

Marshall Science Research & Projects

51

Tropospheric Emissions: Monitoring of Pollution (TEMPO)

11

Planetary Environments & Atmospheres

8

1

SAGE-III Meteor-3M (Stratospheric Aerosol and Gas Experiment III on Meteor-3M)

1

NOAA-20 (JPSS-1)

2

Anne C. McClain

4

Flight Innovation

45

Bruce McCandless

2

Gravitational Lensing

7

Cosmic Microwave Background

1

Electromagnetic Spectrum

6

5

5

MAF Status

1

Technology Transfer

51

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7

OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification, and Security – Apophis Explorer)

3

Mariner 4

2

Radiation

1

NASA Safety Center

3

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1

Everyday Extraordinary Stories

1

14

Gemini III

1

Charles O. Hobaugh

1

Donald R. Pettit

4

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2

STS-66

1

ILLUMA-T

1

Langley Research Center

157

Sounding Rockets Program

16

Subsonic Flight Demonstrator

3

International Space Station Division

6

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Uranus

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4

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Science of Space Exploration

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11

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7

8

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114

Hispanic Heritage Month

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The Kuiper Belt

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What We Do

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25

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4

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1

1

Aura

2

Global Ecosystem Dynamics Investigation (GEDI)

2

CoECI News

22

Earth Day

5

Marshall Space Flight Center

347

Robert L. Gibson

1

7

Ames Earth Science Division

1

Extreme Temperatures

7

6

GRACE (Gravity Recovery And Climate Experiment)

7

Common Exploration Systems Development Division

4

Earth's Vital Signs

1

19

Supernovae

34

James H. Newman

1

3

System-Wide Safety

7

4

Opportunities For Researchers to Get Involved

1

22

NASA Centers & Facilities

163

3I/ATLAS

1

Artemis 4

30

3

Cell and Molecular Biology

2

Deep Space Optical Communications (DSOC)

7

Skywatching Tips

37

STS-129

2

Humans in Space

407

Land Cover

11

Topography

18

WISE (Wide-field Infrared Survey Explorer)

11

Phobos

4

Laser Communications Relay

3

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3

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9

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2

Saturn

27

NOAA-21 (JPSS-2)

2

APOD

54

Flight Opportunities Program

23

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6

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2

2

Ellington Field

2

Spitzer Space Telescope

10

Johnson Flight Operations

3

Magellan

2

Technology Transfer & Spinoffs

49

Voyager Program

6

OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer)

18

Mariner 7

1

Radioisotope Power Systems (RPS)

16

NASA Shared Services Center

13

13

ExoMars

3

Astronauts

114

Gemini IV

1

Christina H. Koch

24

Dragonfly

8

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6

STS-68

1

IMAP (Interstellar Mapping and Acceleration Probe)

7

Earth Observatory

171

Sounds & Ringtones

1

Subsonic Vehicle Technologies and Tools

4

29

5

3

PREFIRE (Polar Radiant Energy in the Far-InfraRed Experiment)

8

Modeling

4

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50

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2

1

Franklin R. Chang-Díaz

1

1

Helios 1

1

19

Euclid

9

SERVIR (Regional Visualization and Monitoring System)

4

Stennis Test Facility and Support Infrastructure

4

Horsehead Nebula

1

Jupiter

38

29

4

Partner With Us

9

5

Research Archive

1

Near-Earth Asteroid (NEA)

10

Air Mobility Pathfinders project

6

3

Auroras

14

Global Precipitation Measurement (GPM)

2

Cold Atom Laboratory (CAL)

6

55

Marshall Test Facility and Support Infrastructure

3

Robert L. Satcher Jr.

1

10

Ames Research Center

234

Extreme Weather Events

20

Biological & Physical Sciences

45

GRACE-FO (Gravity Recovery and Climate Experiment Follow-on)

8

Communicating and Navigating with Missions

35

Earth-like Exoplanets

6

Space Sustainability

1

Supersonic Flight

33

James Webb Space Telescope (JWST)

167

Lunar Explorer Instrument for space biology Applications (LEIA)

1

T-34C

1

Viking 1

1

Opportunities For Students to Get Involved

40

Pulsars

14

NASA Directorates

48

AcrimSat (Active Cavity Irradiance Monitor Satellite)

1

Artemis 5

8

GALEX (Galaxy Evolution Explorer)

1

Centennial Challenges

15

Deimos

1

Small Bodies of the Solar System

6

STS-34

1

Hurricanes & Typhoons

15

Land Use

6

Total and Spectral Solar Irradiance Sensor - 2 (TSIS-2)

1

28

Laser Interferometer Gravitational Wave Observatory (LIGO)

4

1

Planetary Nebulae

13

Michael J. Foreman

1

15

Northrop Grumman Commercial Resupply

24

Apollo

14

Flightlog

1

BurstCube

4

Gravitational Waves

7

Courses & Curriculums for Professionals

1

Elliptical Galaxies

7

Spot the International Space Station

4

Johnson Leadership

2

Magellanic Clouds

3

1

Wallops Flight Facility

66

Outer Planets & Ocean Worlds Program

1

1

Raja Chari

3

NASA Socials Program

5

187

ExoMoons

1

Astronomy

4

Gemini IX

1

Christopher L. Williams

8

26

47

STS-79

1

In-flight Education Downlinks

28

222

9

Sun-Earth Interactions

4

Investigation of Convective Updrafts (INCUS)

1

LISA (Laser Interferometer Space Antenna)

3

USGS (United States Geological Survey)

3

Private Astronaut Missions

5

Moderate Resolution Imaging Spectroradiometer (MODIS)

20

Office of Technology, Policy and Strategy (OTPS)

21

Apophis

2

Fruit Fly Lab (FFL)

1

6

19

Seyfert Galaxies

4

Stephen G. Bowen

4

Hubble Space Telescope

245

23

The Search for Life

12

White Sands Test Facility

18

Pathfinding for Airspace with Autonomous Vehicles

1

Mars Pathfinder

1

Research Opportunities in Space and Earth Sciences (ROSES)

5

Nebulae

62

8

54

B200

3

Globular Clusters

6

1

Physical Sciences

8

Martian Moon Exploration (MMX)

2

Robotics

18

33

Ames Research Center's Science Directorate

34

EZIE (Electrojet Zeeman Imaging Explorer)

2

Black History Month

7

12

Community Partners

4

5

Space Technology Mission Directorate

175

17

Jasmin Moghbeli

11

Lunar Reconnaissance Orbiter (LRO)

22

Tech Demo Missions

8

Viking 2

1

Opportunities For U.S. Citizens to Get Involved

5

Quasars

6

NASA en español

59

Active Galaxies

14

Artemis Accords

58

Game Changing Development Program

37

Centennial Challenges News

9

1

Small Business Innovation Research / Small Business

10

STS-41B

3

Hybrid Thermally Efficient Core

3

Landsat

17

Trace Gas Orbiter (TGO)

1

Women's History Month

17

In-Situ Resource Utilization (ISRU)

2

Launch Services Office

15

UAS Traffic Management

3

Planetary Science

105

Michael R. Barratt

2

SBIR

1

Nova-C (Lander)

1

Apollo 1

1

Floods

10

1

Green Aviation Tech

17

6

Emission Nebulae

5

Scientific Balloons

17

27

Johnson Space Center

419

Magnetars

5

Terra

13

Walter M. Schirra Jr.

1

Outside the Classroom

10

Mark T. Vande Hei

1

Ranger 7

2

NASA Space Technology Graduate Research Opportunities (NSTGRO)

1

Aeronautics Research

11

Exoplanet Atmosphere

13

388

Gemini VI

1

CIPHER (Complement of Integrated Protocols for Human Exploration Research)

1

Droughts

6

Solar Electric Propulsion (SEP)

1

STS-80

1

Goddard Institute for Space Studies

17

Comets

17

Earth Science Division

87

Space Biology Program

3

Sunita L. Williams

6

Io

5

LOFTID (Low-Earth Orbit Flight Test of an Inflatable Decelerator)

1

Van Allen Probes

2

Prizes, Challenges & Crowdsourcing

6

Moon Base

11

Office of the Chief Financial Officer (OCFO)

4

Applied Sciences Program

4

Fundamental Physics

2

HelioSwarm

1

Dark Matter & Dark Energy

9

Shannon W. Lucid

1

STEREO (Solar TErrestrial RElations Observatory)

4

Human Dimensions

20

Katherine Johnson IV and V Facility

4

The Solar System

170

Why Go To Space

2

People of Armstrong

5

Mars Reconnaissance Orbiter (MRO)

18

Revolutionary Vertical Lift Technology

3

Neil Gehrels Swift Observatory

17

Air Traffic Control Labs

2

7

BARREL (Balloon Array for Radiation-belt Relativistic Electron Losses)

1

Physical Sciences Program

4

Materials Science

3

Ronald E. McNair

1

NICER (Neutron star Interior Composition Explorer)

8

Ames Space Biosciences

12

Featured Careers

5

58

Grades 5 - 8 for Educators

13

Compton Gamma Ray Observatory (CGRO)

1

Eclipses

46

Space Technology Research Grants

17

1

Jason-CS (Continuity of Service) / Sentinel-6

6

17

Technology

112

VIPER (Volatiles Investigating Polar Exploration Rover)

17

Opportunities to Contribute to NASA Missions & Get Involved

32

40

NASA Engineering & Safety Center Academy

1

ADEOS (Advanced Earth Observing Satellite) / MIDORI

1

Artemis Campaign Development Division

3

Gamma Rays

10

Center Innovation Fund

3

Developmental, Reproductive and Evolutionary Biology

1

Small Satellite Missions

27

STS-41D

1

Hypersonic Technology

6

Landsat 1

1

TRACERS

1

X-ray Astronomy

5

4

Launch Services Program

50

Ultra-Efficient Aviation

3

Planetary Science Division

70

Michael S. Hopkins

1

SBIR STTR

8

NuSTAR (Nuclear Spectroscopic Telescope Array)

3

Apollo 10

3

For Colleges & Universities

50

Byron K. Lichtenberg

1

Greenhouse Gases

9

Craters

3

EMIT (Earth Surface Mineral Dust Source Investigation)

7

Sea Ice

13

Star-forming Nebulae

16

Johnson's Mission Control Center

6

5

Terrestrial Exoplanets

9

2

Owen K. Garriott

1

Mars

113

Read it!

3

NASA STEM Projects

9

Aeronautics Research Mission Directorate

105

Exoplanet Detection Methods

8

Astrophysics Division

188

Gemini XI

1

Citizen Science

107

4

6

STS-88

1

Barry E. Wilmore

2

Goddard Medical and Environmental Division

1

Commercial Crew

105

Earth Science Technology Office

11

Space Communications & Navigation Program

48

SunRISE (Sun Radio Interferometer Space Experiment)

3

Ionosphere

11

8

Vegetable Production System (VEGGIE)

1

Prizes, Challenges & Crowdsourcing News

10

Moons

4

Office of the Chief Health and Medical Officer (OCHMO)

7

Aqua

8

FutureFlight Central

1

1

DART (Double Asteroid Redirection Test)

9

Shuttle Radar Topography Mission (SRTM)

2

Strategic Integration and Management Division

1

Human Health and Performance

31

Kathleen Rubins

2

The Sun

67

Wildfires

36

People of Goddard

81

Mars Sample Return (MSR)

13

Richard A. Mastracchio

1

NEO Surveyor (Near-Earth Object Surveyor Space Telescope)

10

Air Traffic Management - Exploration

19

7

1

Matthew Dominick

5

Rosalind Franklin (Rover)

1

4

Analog Field Testing

7

Fermi Gamma-Ray Space Telescope

16

Blogs

233

16

1

Ecostress (ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station)

3

34

Sustainability at Kennedy Space Center

11

Jeanette J. Epps

4

Lunar Surface Innovation Consortium

7

Technology Demonstration

21

Virgil I. Grissom

3

Opportunity (Rover)

4

Quesst: The Flights

5

NASA Engineering and Safety Center

51

Advanced Air Mobility

19

Artificial Intelligence (AI)

19

Gamma-Ray Bursts

13

Center of Excellence for Collaborative Innovation (CoECI)

53

Didymos & Dimorphos

2

Small Spacecraft Technology Program

20

STS-51A

1

41

Landsat 4

1

Tracking and Data Relay Satellite (TDRS)

2

3

Infrared Space Observatory (ISO)

1

Leadership

13

Ultraviolet Light

1

Planets

30

Michoud Assembly Facility

35

Science & Research

251

Ocean Circulation

1

Apollo 11

6

13

C-130

1

Gulfstream G-III

1

Crew Health and Performance Exploration Analog (CHAPEA)

10

Employee Spotlights

1

5

Starburst

1

Joint Agency Satellite Division

4

Terrestrial Planets

1

Water & Energy Cycle

5

6

Mars 2020

37

Red Dwarfs

1

NASA+

6

Aeronautics STEM

5

Exoplanet Discoveries

16

Astrophysics Explorers Program

4

General

661

55

2

2

STS-9

2

5

Becoming an Astronaut

5

Goddard Space Flight Center

714

Commercial Lunar Payload Services (CLPS)

95

Earth Surface & Interior

6

Space Communications Technology

21

Sunspots

4

IRIS (Interface Region Imaging Spectrograph)

1

Low Boom Flight Demonstrator

27

Vegetation

8

Prizes, Challenges, & Crowdsourcing News

27

MOSAICS

1

Office of the Chief Information Officer (OCIO)

4

Armstrong Flight Research Center

146

G. Reid Wiseman

26

HERA (Human Exploration Research Analog)

7

2

1

STS-1

1

Human Lander Challenge

2

Kathryn C. Thornton

1

The Sun & Solar Physics

6

Wildland Fire Management

5

People of Johnson

66

Mars Science Laboratory (MSL)

27

Richard H. Truly

1

NEOWISE

8

Air Traffic Management and Safety

3

xEVA & Human Surface Mobility

10

Pioneer

1

MAVEN (Mars Atmosphere and Volatile EvolutioN)

18

Rosetta

1

Nicole Aunapu Mann

3

8

Find Your Place

11

Blue Ghost (lander)

4

Grades 9-12 for Educators

14

Convergent Aeronautics Solutions

3

Edward G. Gibson

1

Spacesuits

8

Sustainable Aviation

3

Jessica U. Meir

3

Lunar Surface Innovation Initiative

11

Technology Demonstration Missions Program

14

Virtual Guest Program

11

26

Magnetospheric Multiscale (MMS)

2

Quesst: The Mission

3

NASA Headquarters

138

Advanced Air Transport Technology

7

Eugene A. Cernan

1

Asian American and Native Hawaiian Pacific Islander Heritage

5

Ganymede

1

Ceres

2

Digital Information Platform

9

SmallSats Program

5

STS-51C

1

32

Landsat 5

2

Tracy Caldwell Dyson

8

Ingenuity (Helicopter)

8

Learning Resources

153

76

4

3

Science Activation

69

2

Apollo 12

3

For Kids and Students

32

C-20A

3

GUSTO (Galactic/Extragalactic ULDB Spectroscopic Terahertz Observatory)

3

Cryogenic Fluid Management (CFM)

6

Enceladus

4

Sea Surface Topography

1

Stars

159

Joint Polar Satellite System (JPSS)

1

TESS (Transiting Exoplanet Survey Satellite)

22

8

PACE (Plankton, Aerosol, Cloud, Ocean Ecosystem)

29

Mars Campaign Development Division

2

Red Giants

1

National Advisory Committee for Aeronautics (NACA)

6

Aeronautics Technology

8

Exoplanet Exploration Program

4

Astrophysics Pioneers

3

Geospace Dynamics Constellation (GDC)

1

Climate Modeling

5

E-Books

5

Solar System Ambassadors

1

STS-93

1

Air Traffic Solutions

15

4

Benefits Back on Earth

3

Goddard Technology

15

Commercial Resupply

49

Earth System Observatory (ESO)

5

Space Flight Awareness (SFA)

1

Suomi NPP (Suomi National Polar-orbiting Partnership)

6

Irregular Galaxies

10

Low Earth Orbit Economy

23

Venus

13

Prizes, Challenges, and Crowdsourcing Program

53

MUREP

10

Office of the Chief Scientist (OCS)

1

Armstrong Test Facility (Plum Brook)

5

Gaia

1

Herschel Space Observatory

1

DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging)

4

SimLabs

2

STS-107

2

Human Landing System Program

32

Kennedy Space Center

280

371

Wildlife

3

People of Marshall

5

Marshall Astrophysics

48

Rings of Jupiter

1

Neptune

3

XMM-Newton (X-ray Multi-Mirror Newton)

3

Pioneer 10

1

Media Resources

1

RS-25

2

Nicole P. Stott

1

Andrew S.W. Thomas

1

Fission Surface Power

1

Bob Hines

1

6

2

Eileen M. Collins

2

SpaceX Commercial Resupply

25

Sustainable Flight Demonstrator

6

Jessica Watkins

3

Lunar Surface Technology Research

3

Technology for Living in Space

6

Visible / Optical Light

1

Origin & Evolution of the Universe

18

MAIA (Multi-Angle Imager for Aerosols)

4

Quesst: The Science

3

152

Advanced Air Vehicles Program

32

Europa

29

Associate Administrator Awards

5

Gas Giant Exoplanets

20

Chandra X-Ray Observatory

82

Digital Transformation (DT)

7

Snow

14

STS-51D

1

Ice Giants

1

Landsat 7

1

Transformational Tools Technologies

12

InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport)

4

Leland D. Melvin

1

Underway Recovery Test 11

1

Pluto

3

Mini-RF Instrument

1

Science for Everyone

2

4

Apollo 14

2

For Professionals

2

CADRE (Cooperative Autonomous Distributed Robotic Exploration)

3

Hayabusa 2

1

Cryosphere

8

1

Seasat

1

Stellar Evolution

3

Jonny Kim

5

4

39

Pamela A. Melroy

8

Mars Climate Orbiter

1

Redstone 3 (Freedom 7)

1

National Space Council Users' Advisory Group (NSpC UAG)

1

Aerosciences Evaluation Test Capabilities

4

Exoplanet Science

29

Atmospheric Composition

1

1

Climate Science

7

E. Michael Fincke

1

Solar System Exploration Research Virtual Inst.

3

STS-96

1

Blog Posts

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September 27, 2026

APOD: 2026 September 26 – Mirrored Meteor and Milky Way

September 26, 2026

NASA, Boeing to Provide Update on Starliner Development

September 26, 2026

Newsletter Archive

April 2021

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