Each month, NASA’s Planetary Defense Coordination Office releases a monthly update featuring the most recent figures on NASA’s planetary defense efforts, near-Earth object close approaches, and other timely facts about comets and asteroids that could pose an impact hazard with Earth. Here is what we’ve found so far.

Updated: September 11, 2025

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13 min read

The Earth Observer Editor’s Corner: July–September 2025

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20 hours ago

21 min read

Summary of the 11th ABoVE Science Team Meeting

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20 hours ago

3 min read

NASA Aims to Keep Fuel Cool Under Pressure with Zero Boil-Off Experiment On NG-23

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1 day ago