Planetary Defense at NASA
In 2016, NASA established the Planetary Defense Coordination Office (PDCO) to manage the agency's ongoing mission of finding, tracking, and better understanding asteroids and comets that could pose an impact hazard to Earth. Here you can stay informed about the PDCO, NASA's Near-Earth Object (NEO) Observations Program, and upcoming planetary defense flight missions, including NASA'S NEO Surveyor mission.
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Planetary Defense by the Numbers
Monthly update with latest metrics on NASA's search for NEOS.
Asteroid Watch
News and updates from NASA's Planetary Defense Coordination Office.
NASA Strategy for Planetary Defense
NASA's strategy for safeguarding Earth from potentially hazardous NEOs.
NEO Surveyor
An infrared space telescope designed to accelerate NASA's search for NEOs.
Planetary Defense Video Playlist
Enjoy this collection of videos that help explain NASA's work to safeguard Earth from asteroids and other potentially hazardous near-Earth objects.
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