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Johnson Space Center
Candidate Astronauts
General

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration 

When NASA’s 2025 astronaut candidates arrived at the agency’s Johnson Space Center in Houston this fall, they stepped into history, sharing a common mission to master the skills and teamwork that define NASA’s next era of exploration.  Selected from a pool of more than 8,000 applicants, the new class represents a range of backgrounds — […]
Posted November 24, 2025

New NASA HEAT and My NASA Data Resources Bring Space Weather Science into Classrooms

As the Sun enters a period of heightened activity, students now have a new way to explore its powerful effects on Earth and space. NASA’s Heliophysics Education Activation Team (NASA HEAT), in collaboration with My NASA Data, has released a new set of classroom resources that invite students and educators to engage with real NASA […]
Posted November 24, 2025
Earth
Earth's Atmosphere
Goddard Space Flight Center
Ozone Layer

NASA, NOAA Rank 2025 Ozone Hole as 5th Smallest Since 1992

The ozone hole over the Antarctic was small in 2025 compared to previous years and remains on track to recover later this century. The hole this year was the fifth smallest since 1992, the year a landmark international agreement to phase out ozone-depleting chemicals began to take effect.
Posted November 24, 2025
Citizen Science

NASA Citizen Science Toolkit for Librarians

NASA’s Toolkit for Librarians can help you share NASA citizen science opportunities with your patrons and community members. Rural and urban libraries, informal educators, youth group leaders, and retirement community coordinators can all benefit from this resource.
Posted November 24, 2025
International Space Station (ISS)

City Lights and Atmospheric Glow

JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui captured this photo of southern Europe and the northwestern Mediterranean coast from the International Space Station as it orbited 261 miles above Earth on Aug. 30, 2025. At left, the Po Valley urban corridor in Italy shines with the metropolitan areas of Milan and Turin and their […]
Posted November 24, 2025
Johnson Space Center
Humans in Space
International Space Station (ISS)

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our home planet from above, countless NASA astronauts have described feeling awed by the astonishing sight and a profound shift in perspective that followed. This unique experience is known as the […]
Posted November 24, 2025
NASA Centers & Facilities
Glenn Research Center
Kennedy Space Center
Marshall Space Flight Center
Stennis Space Center

NASA Awards Liquid Hydrogen Supply Contracts

NASA has selected Plug Power, Inc., of Slingerlands, New York, and Air Products and Chemicals, Inc., of Allentown, Pennsylvania, to supply up to approximately 36,952,000 pounds of liquid hydrogen for use at facilities across the agency.
Posted November 21, 2025
Galaxies
Hubble Space Telescope

Hubble Captures Puzzling Galaxy

This NASA/ESA Hubble Space Telescope image features a galaxy that’s hard to categorize. The galaxy in question is NGC 2775, which lies 67 million light-years away in the constellation Cancer (the Crab). NGC 2775 sports a smooth, featureless center that is devoid of gas, resembling an elliptical galaxy. It also has a dusty ring with patchy star […]
Posted November 21, 2025
Ames Research Center
CubeSats
ISS Research
Science Instruments
Small Satellite Missions
Technology for Living in Space

What is BioSentinel?

Editor’s Note: This article was updated Nov. 21, 2025 shortly after BioSentinel’s mission marked three years of operation in deep space. Astronauts live in a pretty extreme environment aboard the International Space Station.
Posted November 21, 2025
ISS Research
Biological & Physical Sciences
Earth Science
General
Humans in Space
International Space Station (ISS)
Science & Research

25 Years of Scientific Discovery Aboard the International Space Station

November marks 25 years of human presence aboard the International Space Station, a testament to international collaboration and human ingenuity. Since the first crew arrived on Nov.
Posted November 21, 2025
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1
Leadership
16
Commercial Crew
111
Solar Wind
14
Earth Science Technology Office
11
STS-99
1
Michael S. Hopkins
1
Nova-C (Lander)
1
For Kids and Students
32
University Innovation
17
Gulfstream G-III
1
Animal Biology
1
Brown Dwarfs
12
Polar
1
Joint Agency Satellite Division
4
SeaWiFS (Sea-viewing Wide Field-of-view Sensor)
1
DART (Double Asteroid Redirection Test)
9
Stellar-mass Black Holes
5
Mars
118
NASA STEM Projects
9
Exoplanet Science
29
Mars Sample Return (MSR)
13
NEO Surveyor (Near-Earth Object Surveyor Space Telescope)
12
Expedition 75
1
Thomas P. Stafford
3
Goddard Technology
15
William C. McCool
1
Aerospace Safety Advisory Panel
2
Audio
6
Perseids
2
Robert A. R. Parker
1
IRIS (Interface Region Imaging Spectrograph)
1
Loral O'Hara
8
Constellations
1
Space Launch System (SLS)
120
Ecostress (ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station)
3
Supermassive Black Holes
22
Moons
4
Office of Technology, Policy and Strategy (OTPS)
21
Sustainable Flight National Partnership
4
Gaia
1
Vertical Motion Simulator
1
HERA (Human Exploration Research Analog)
7
Apollo 8
3
Opportunities For International Participants to Get Involved
13
Carbon Cycle
6
Protostars
21
Human Lander Challenge
2
Kathryn C. Thornton
1
Center of Excellence for Collaborative Innovation (CoECI)
57
SkyFall
2
Didymos & Dimorphos
2
STS-125
1
Ice & Glaciers
34
Landsat 5
2
Climate Change
55
SOFIA (Stratospheric Observatory for Infrared Astronomy) / 747-SP
2
Dwarf Planets
2
STS-64
2
Matthew Dominick
5
Nichole Ayers
4
Fission Surface Power
1
TREAT Astronauts Act
1
Grades K - 4
6
Zena Cardman
1
Alan L. Bean
1
Bill Nelson
9
Planetary Defense Coordination Office
27
S3VI
1
Jessica U. Meir
3
Lunar Surface Innovation Consortium
7
Science in the Air
15
Crew Health and Performance Exploration Analog (CHAPEA)
13
Spinoffs
46
Employee Spotlights
1
Magnetosphere
5
NASA Engineering and Safety Center
54
Europa Clipper
29
Technology Highlights
41
Gas Giant Exoplanets
20
Volcanoes
18
3D Resources
1
Artemis 3
49
OSAM-1 (On-Orbit Servicing, Assembly, and Manufacturing 1)
1
Radial Velocity
2
Exoplanet Transits
11
The Great Red Spot
1
Gerald Carr
1
WB-57
3
Aeromechanics Research Facilities
1
Astromaterials
14
Parker Solar Probe (PSP)
10
Remote Sensing Technology
3
Ingenuity (Helicopter)
9
Learning Resources
158
Commercial Lunar Payload Services (CLPS)
98
Sonifications
1
Earth Surface & Interior
8
Student Opportunities
1
Michoud Assembly Facility
35
NuSTAR (Nuclear Spectroscopic Telescope Array)
3
For Professionals
2
University Leadership Initiative
7
GUSTO (Galactic/Extragalactic ULDB Spectroscopic Terahertz Observatory)
3
Anne C. McClain
4
Bruce McCandless
2
Polarimeter to Unify the Corona and Heliosphere (PUNCH)
11
Joint Polar Satellite System (JPSS)
1
Sensing the Universe & Multimessenger Astronomy
5
David R. Scott
2
STEM Engagement at NASA
78
Mars 2020
41
NASA+
6
Digital Information Platform
9
STS-127
1
Mars Science Laboratory (MSL)
30
NEOWISE
8
Exploration Ground Systems
37
Titan
5
GOES (Geostationary Operational Environmental Satellite)
13
William R. Pogue
1
AIM (Aeronomy of Ice in the Mesosphere)
1
Aura
2
Perseverance (Rover)
43
Robert D. Cabana
2
Irregular Galaxies
10
Low Boom Flight Demonstrator
27
Convergent Aeronautics Solutions
3
Space Nuclear Propulsion (SNP)
6
Edward G. Gibson
1
Supermoons
1
MOSAICS
1
Office of the Chief Financial Officer (OCFO)
4
Swift Boost Mission
5
Galaxies
215
Vesta
2
Herschel Space Observatory
1
Apollo 9
2
Opportunities For Researchers to Get Involved
1
Careers
11
Psyche Asteroid
8
Human Landing System Program
36
Kennedy Space Center
292
Ceres
2
Skylab
6
Ice Giants
1
Landsat 7
1
Climate Modeling
5
SOHO (Solar and Heliospheric Observatory)
6
E-Books
5
STS-65
1
MAVEN (Mars Atmosphere and Volatile EvolutioN)
18
Nicole Aunapu Mann
3
Fission Surface Power (FSP)
2
Trojan Asteroids
5
Grades K - 4 for Educators
13
Ames Earth Science Division
1
Binary Stars
6
Planetary Environments & Atmospheres
8
SAGE III (Stratospheric Aerosol and Gas Experiment)
1
Jessica Watkins
4
Lunar Surface Innovation Initiative
11
Science Instruments
9
Cryogenic Fluid Management (CFM)
6
Spiral Galaxies
79
Enceladus
4
Magnetospheric Multiscale (MMS)
2
NASA Headquarters
146
Europa Clipper Resources
8
Technology Research
11
Gateway Program
21
Voyager 1
8
3I/ATLAS
1
Artemis 4
32
OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification, and Security – Apophis Explorer)
3
Radiation
1
Exoplanets
96
The Human Body in Space
4
Get Involved
58
Weather and Atmospheric Dynamics
10
Aeronáutica
13
Astronauts
117
Partner with NASA STEM
9
Research and Technology at Kennedy Space Center
16
InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport)
4
Leland D. Melvin
1
Commercial Resupply
54
Sounding Rockets
22
Earth System Observatory (ESO)
5
Studying Exoplanets
21
Microbiology
3
Ocean Circulation
1
For Researchers
12
University Student Research Challenge
7
Hayabusa 2
1
APOD
93
Budget & Annual Reports
6
Potentially Hazardous Asteroid (PHA)
4
Jonny Kim
5
Sentinel-6 Michael Freilich Satellite
11
DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging)
4
STEM Impacts
4
Mars Campaign Development Division
2
National Advisory Committee for Aeronautics (NACA)
6
Skywatching
71
Digital Transformation (DT)
7
STS-128
1
Marshall Astrophysics
49
Neptune
3
Exploration Park
2
TOPEX / Poseidon (ocean TOPography EXperiment)
2
GOES-R
3
Wind Mission
2
Air Mobility Pathfinders project
6
Auroras
14
Phobos
5
Robert L. Crippen
1
ISS Research
308
Low Earth Orbit Economy
24
Coronagraph
2
Space Operations Mission Directorate
60
Eileen M. Collins
2
MUREP
11
SWOT (Surface Water and Ocean Topography)
18
Galaxies, Stars, & Black Holes
79
Victor J. Glover
23
Apollo-Soyuz
1
Opportunities For Students to Get Involved
41
Psyche Mission
22
Human Research Program
31
Kepler / K2
9
Chandra X-Ray Observatory
83
ICESat (Ice, Clouds and Land Elevation Satellite)
1
Landsat 8 / LDCM (Landsat Data Continuity Mission)
38
Climate Science
7
Sojourner (Rover)
2
E. Michael Fincke
1
STS-66
1
Media Resources
1
Nicole P. Stott
1
Flight Demonstrations and Capabilities
2
Tropospheric Emissions: Monitoring of Pollution (TEMPO)
11
GRAIL (Gravity Recovery And Interior Laboratory)
1
Ames Research Center
241
Biological & Physical Sciences
47
Planetary Geosciences & Geophysics
10
SAGE-III Meteor-3M (Stratospheric Aerosol and Gas Experiment III on Meteor-3M)
1
Jet Propulsion Laboratory
293
Lunar Surface Technology Research
3
Science Mission Directorate
238
Cryosphere
8
Spirit (Rover)
5
Energy Balance
1
MAIA (Multi-Angle Imager for Aerosols)
4
NASA History
153
Events
20
Technology Transfer
51
Gateway Space Station
28
Voyager 2
7
AcrimSat (Active Cavity Irradiance Monitor Satellite)
1
Artemis 5
8
OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer)
18
Radioisotope Power Systems (RPS)
16
Exosphere
2
The Kuiper Belt
6
Glenn History
29
What We Do
10
Aeronautics
200
Astronomy
4
Partner With Us
9
Research and Technology Mission Directorate
35
Integrated Aviation Systems Program
22
Lenticular Galaxies
4
Commercial Space
107
Sounding Rockets Program
16
Earth Visualization & Mapping
9
Subsonic Flight Demonstrator
4
Mini-RF Instrument
1
Ocean Surface Topography Mission (OSTM) / Jason-2
1
Supernova Remnants
8
Former Astronauts
18
Uranus
7
Heat & Radiation
5
Apollo
14
Office of the Chief Health and Medical Officer (OCHMO)
7
BurstCube
4
PREFIRE (Polar Radiant Energy in the Far-InfraRed Experiment)
8
Hi-Rate Composite Aircraft Manufacturing
4
José M. Hernández
1
Carl E. Walz
1
Sentinel-6B
8
Dawn
3
Stennis Space Center
118
Mars Climate Orbiter
1
National Space Council Users' Advisory Group (NSpC UAG)
1