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Chandra X-Ray Observatory
Open Clusters

NASA’s Chandra Finds Young Stars Dim Quickly

These images, released on April 14, 2026, show two open star clusters, Trumpler 3 (left) and NGC 2353 (right). They represent a recent study from NASA’s Chandra X-ray Observatory that shows how young Sun-like stars are dimmer in X-rays than previously thought. This latest study looked at eight clusters of stars between the ages of […]
Posted April 23, 2026
Air Quality
Earth Observatory
Human Dimensions
Terra
Wildfires

Smoke Shrouds Northern Thailand

Seasonal fires have darkened skies over Southeast Asia.
Posted April 23, 2026
Langley Research Center
Airborne Science
Earth
Earth Science
Earth Science Division
Earth's Atmosphere
General
Science Mission Directorate

NASA’s 777 Aircraft Returns Home with Science Flights on the Horizon

NASA’s Boeing 777 has returned to the agency’s fleet after undergoing heavy structural modifications as it transforms from a giant passenger plane into the agency’s next-generation airborne science laboratory.
Posted April 22, 2026
Exoplanets
Galaxies
Goddard Space Flight Center
Nancy Grace Roman Space Telescope
Stars
The Universe

NASA Targets Early September for Roman Space Telescope Launch

NASA’s Nancy Grace Roman Space Telescope team now is targeting as soon as early September 2026 for launch, ahead of the agency’s commitment to flight no later than May 2027.
Posted April 22, 2026
Humans in Space
Anil Menon
Astronauts
International Space Station (ISS)
Missions

NASA Astronaut Anil Menon to Discuss Upcoming Launch, Mission

Editor’s Note: This advisory was updated on April 23, 2026, to extend the deadline for phone RSVPs, as well as to correctly state that Anil Menon is a colonel in the United States Space Force. NASA will host a news conference at 1:45 p.m. EDT Wednesday, April 29, from the agency’s Johnson Space Center in […]
Posted April 22, 2026
Artemis
Artemis 2
Earth

Night and (Earth) Day

This image, released in celebration of Earth Day, shows the terminator – the line between night and day – on Earth. The Artemis II astronauts captured this view on April 2, 2026, during their journey to the Moon. NASA science improves life on Earth every day. The agency provides insights on our home planet that […]
Posted April 22, 2026
Earth

Advancing Earth Observation at NASA Since Release of Earthrise Photo

From cameras pressed against spacecraft windows to the most powerful radar ever flown, imaging technology has taken giant leaps since 1968, but the drive to understand our home in the cosmos has remained.
Posted April 22, 2026
Earth Observatory
Goddard Space Flight Center
International Space Station (ISS)
Land Use

Belts of Green in the Washington Suburbs

Along the northeast side of the Capital Beltway in Maryland, green spaces weave through the developed landscape.
Posted April 22, 2026
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1
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2
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176
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3
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15
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3
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5
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17
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30
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28
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5
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1
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1
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1
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1
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1
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14
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1
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1
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1
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2
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1
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162
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1
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1
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284
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1
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32
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5
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1
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23
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24
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3
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2
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74
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1
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5
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36
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10
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6
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21
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10
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1
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15
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4
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2
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3
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2
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1
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54
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173
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2
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2
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81
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3
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6
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1
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15
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3
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136
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6
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4
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1
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3
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47
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19
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1
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2
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6
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3
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114
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1
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18
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26
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5
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416
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11
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1
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27
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4
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1
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3
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396
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52
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4
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23
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9
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6
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1
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1
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1
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2
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1
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17
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6
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30
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1
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1
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15
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1
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16
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7
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8
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1
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2
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3
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13
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9
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1
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2
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7
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3
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7
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3
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26
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6
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5
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1
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1
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48
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2
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20
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1
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4
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8
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30
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8
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3
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2
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32
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1
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38
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2
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2
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7
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1
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1
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1
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6
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4
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7
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67
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7
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40
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67
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1
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30
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10
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4
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49
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1
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3
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7
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1
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371
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1
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1
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1
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1
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1
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6
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164
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21
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38
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3
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18
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3
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18
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6
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27
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21
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9
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1
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9
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17
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356
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7
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2
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2
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12
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4
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1
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2
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171
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3
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2
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34
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2
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16
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2
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5
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19
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1
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5
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1
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1
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14
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8
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1
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1
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5
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31
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1
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30
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4
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6
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2
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200
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2
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3
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41
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4
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3
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12
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2
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17
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4
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6
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8
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58
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252
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23
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15
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1
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1
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1
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1
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15
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5
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10
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7
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6
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17
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5
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5
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1
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1
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5
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35
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22
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6
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4
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59
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3
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4
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68
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11
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2
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11
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1
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1
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2
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49
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9
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14
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11
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11
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75
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3
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3
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17
Christopher L. Williams
8
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5
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26
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1
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46
Artemis 2
207
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3
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10
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5
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8
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13
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10
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11
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1
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258
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1
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8
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7