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Christmas trees don’t do much—or do they? Conifers have a secret life that few people are aware of. Once upon […]

EO Science Earth Observatory A Siberian Snowman in Billings Earth Earth Observatory Image of the Day EO Explorer Topics All

4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Two composite images show side-by-side observations of the Perseus

2 Min Read NASA Launches Research Program for Students to Explore Big Ideas NASA is now accepting concepts for a

After 25 years of continuous human presence in space, the International Space Station remains a training and proving ground for

Artemis II NASA astronauts (left to right) Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut

2 min read How Small Is Too Small? Volunteers Help NASA Test Lake Monitoring From Space Jen Oden, Snohomish County

6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) To view this video please enable JavaScript, and consider

Clockwise from left, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and NASA astronauts Jonny Kim, Zena Cardman, and Mike

5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Sentinel-6B and Sentinel-6 Michael Freilich captured data on Nov.