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Army Capt. Daniel W. Lee Sr., a World War II platoon leader, earned the Medal of Honor for valorous action in southeast […]

Earth Observatory Science Earth Observatory An Early Look at Fall Color in… Earth Earth Observatory Image of the Day EO Explorer Topics […]

3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) The members of NASA’s 2025 Astronaut Candidate Class pose with rock […]

NASA has selected 12 new investigations to help support human explorers in space. Six will help advance the ability to produce food […]

APOD Science APOD APOD: 2026 September 13 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy […]

Retired Air Force Col. Rolando Aguilar, a former Texas Air National Guard F-16 Fighting Falcon pilot, remembers the morning of Sept. 11, […]

Maryland had four delegates to the Second Continental Congress, which adopted the Declaration of Independence on July 4, 1776. Charles Carroll had the most to lose.  Source: […]

After the 9/11 attacks, watching from the tarmac was no longer enough for Army Lt. Col. Julie Kendrick. She traded in her […]

Explore This Section Science Citizen Science Help Refine Data from Space… Overview Resources Opportunities Citizen Science Highlights About Science Activation   How […]

6 min read NASA, IBM Launch AI Foundation Model for Lunar Science A 10-image mosaic captured by NASA’s Lunar Reconnaissance Orbiter’s Narrow […]