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With one of its solar arrays deployed, NASA’s Lunar Trailblazer sits in a clean room at Lockheed Martin Space in Colorado during testing in August 2024. The mission was to

The Crew Health and Performance Exploration Analog (CHAPEA) team hosts a media day at NASA’s Johnson Space Center in Houston in 2023. Credit: NASA As NASA prepares for its second

5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) This view of tracks trailing NASA’s Curiosity was captured July 26, 2025, as the rover simultaneously relayed data to

NASA/Bill Ingalls In this 30 second exposure photograph, a meteor streaks across the sky during the annual Perseid and Alpha Capricornids meteor showers, Sunday, Aug. 3, 2025, in Spruce Knob,

The Artemis II crew (from left to right) CSA (Canadian Space Agency) Jeremy Hansen, mission specialist; Christina Koch, mission specialist; Victor Glover, pilot; and Reid Wiseman, commander, don their Orion

Before astronauts venture around the Moon on Artemis II, the agency’s first crewed mission to the Moon since Apollo, Mark Cavanaugh is helping make sure the Orion spacecraft is safe

Explore This Section Science For Educators NUBE: New Card Game Helps… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science   4 min read