April 2026 | Page 4 | Simple Site

Artemis

Earth

Hello, World

NASA astronaut and Artemis II Commander Reid Wiseman took this picture of Earth from the Orion spacecraft’s window after completing the translunar injection burn. There are two auroras (top right and bottom left) and zodiacal light (bottom right) is visible as the Earth eclipses the Sun. This and another photo of Earth are the first […]

Posted April 3, 2026

Earth Observatory

Goddard Space Flight Center

Sea Ice

Terra

Barents Sea Tied to Low Arctic Sea Ice

Patches of open water in the region contributed to low sea ice extent across the Arctic in March 2026, which tied with the lowest maximum observed in the satellite record.

Posted April 3, 2026

Artemis

Exploration Systems Development Mission Directorate

Humans in Space

Orion Multi-Purpose Crew Vehicle

NASA’s Artemis II Mission Leaves Earth Orbit for Flight around Moon

For the first time in more than 50 years, astronauts on a NASA mission are bound to fly around the Moon after successfully completing a key burn of Orion’s main engine. With the approximately six-minute firing of the spacecraft’s service module engine on Thursday, known as the translunar injection burn, Orion and its crew of […]

Posted April 3, 2026

Artemis

Kennedy Space Center

Artemis II Astronauts Launch to Moon

NASA’s Space Launch System rocket and Orion spacecraft lift off in this April 1, 2026, image. NASA’s Artemis II mission will take NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy on an approximately 10-day journey around the Moon and back aboard their Orion spacecraft.

Posted April 2, 2026

Earth

Earth Observatory

Natural Disasters

Réunion Island Lava Reaches the Sea

The February 2026 eruption at Piton de la Fournaise has lasted longer and produced a larger volume of lava than recent eruptions from this frequently active volcano.

Posted April 2, 2026

Artemis

Humans in Space

Marshall Space Flight Center

Orion Multi-Purpose Crew Vehicle

Space Launch System (SLS)

Liftoff! NASA Launches Astronauts on Historic Artemis Moon Mission

Spurred by American ingenuity, astronauts on NASA’s Artemis II mission are in flight, preparing for the first crewed lunar flyby in more than 50 years. NASA’s SLS (Space Launch System) rocket lifted off from Launch Pad 39B at the agency’s Kennedy Space Center in Florida at 6:35 p.m. EDT Wednesday, sending four astronauts aboard the […]

Posted April 2, 2026

Earth Observatory

NOAA-21 (JPSS-2)

Terra

March of the Harmattan

Strong winds in March 2026 carried Saharan dust across northwestern Africa and toward the Canary Islands, reducing visibility and prompting alerts.

Posted April 1, 2026

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3I/ATLAS

1

Artificial Intelligence (AI)

15

Planetary Analogs

2

SAGE III (Stratospheric Aerosol and Gas Experiment)

1

25

Low Earth Orbit Economy

22

Cold Atom Laboratory (CAL)

4

19

201

Technology for Living in Space

5

Nancy Grace Roman Space Telescope

65

1

Former Astronauts

18

1

Heliophysics Division

58

Ames Space Biosciences

12

Blue Ghost (lander)

4

Quesst: The Team

3

Small Satellite Missions

26

Jupiter

37

Mars Exploration Program

6

Solar Electric Propulsion (SEP)

1

16

STS-9

2

Europa Clipper Resources

8

Marshall Earth Sciences

29

Space Biology Program

3

Deimos

1

Sunspots

4

Meetings, Workshops & Conferences

1

NISAR (NASA-ISRO Synthetic Aperture Radar)

16

Exploration Park

2

Vertical Motion Simulator

1

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

3

159

Astrophysics Explorers Program

4

Podcasts

10

Science Mission Directorate

199

James Webb Space Telescope (JWST)

148

Lunar Surface Technology Research

1

Communicating and Navigating with Missions

27

Strategic Integration and Management Division

1

4

4

NASA Innovative Advanced Concepts (NIAC) Program

27

Origin & Evolution of the Universe

17

Galaxies, Stars, & Black Holes Research

37

William C. McCool

1

Horsehead Nebula

1

Apollo 11

6

C-20A

3

Remote Sensing Technology

1

Landsat 1

1

Armstrong Flight Research Center

127

People of Space Operations

2

Centennial Challenges

12

Robert L. Crippen

1

In-flight Education Downlinks

25

Leland D. Melvin

1

Christopher L. Williams

1

Space Technology Research Grants

17

24

Sustainable Aviation

2

MinXSS (Miniature X-ray Solar Spectrometer)

1

Office of Diversity and Equal Opportunity (ODEO)

1

Flight Demonstrations and Capabilities

1

Volcanoes

9

Gravitational Lensing

5

Air Traffic Control Labs

2

Becoming an Astronaut

5

Project Mercury

3

SERVIR (Regional Visualization and Monitoring System)

4

Johnson Leadership

2

Manufacturing, Materials, 3-D Printing

1

Courses & Curriculums for Professionals

1

STS-51A

1

EMIT (Earth Surface Mineral Dust Source Investigation)

6

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

1

Natural Disasters

27

Pamela A. Melroy

8

Transformative Aeronautics Concepts Program

21

Gemini

2

1

Hybrid Thermally Efficient Core

3

27

Exoplanets

79

University Leadership Initiative

5

Glenn Research Center

226

AcrimSat (Active Cavity Irradiance Monitor Satellite)

1

Asian American and Native Hawaiian Pacific Islander Heritage

5

Planetary Defense

21

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

1

Investigation of Convective Updrafts (INCUS)

1

Low-Earth Orbit Economy

10

1

Star-forming Nebulae

15

Earth Science Division

76

Technology for Space Travel

15

23

5

1

WB-57

1

Heliophysics Research Program

3

Analog Field Testing

7

Bob Hines

1

Quesst: The Vehicle

16

Small Spacecraft Technology Program

18

23

Mars Exploration Rovers (MER)

3

6

18

STS-93

1

Events

18

Marshall Heliophysics & Planetary Science

8

Space Communications & Navigation Program

40

1

Suomi NPP (Suomi National Polar-orbiting Partnership)

4

Mesosphere

3

NOAA (National Oceanic and Atmospheric Administration)

20

Exploration Systems Development Mission Directorate

61

Vesta

2

GRACE (Gravity Recovery And Climate Experiment)

6

Aeronautics Research

10

Astrophysics Pioneers

2

Polar

1

Science of Space Exploration

1

Jasmin Moghbeli

11

Lunar Trailblazer

4

Community Partners

4

STS-1

1

Eclipses

41

The Future of Commercial Space

13

NASA Open Source Software

1

Orion Multi-Purpose Crew Vehicle

63

Galaxy clusters

16

William R. Pogue

1

Hubble Space Telescope

221

Apollo 12

3

CADRE (Cooperative Autonomous Distributed Robotic Exploration)

3

Research and Technology at Kennedy Space Center

15

Landsat 8 / LDCM (Landsat Data Continuity Mission)

15

Armstrong Test Facility (Plum Brook)

5

Perseids

1

Robert L. Gibson

1

In-Situ Resource Utilization (ISRU)

2

Lenticular Galaxies

3

CIPHER (Complement of Integrated Protocols for Human Exploration Research)

1

29

Droughts

3

Sustainable Flight Demonstrator

6

4

Office of International and Interagency Relations (OIIR)

38

Flight Demos Capabilities

4

Voyager 1

8

Gravitational Microlensing

2

Air Traffic Management - Exploration

19

Benefits Back on Earth

3

Protostars

19

Seyfert Galaxies

4

Johnson Space Center

372

1

5

STS-51C

1

Enceladus

4

NEA Scout (Near Earth Asteroid Scout)

1

TREAT Astronauts Act

1

Gemini III

1

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