Planetary Defense Coordination Office

Organization

NASA office responsible for coordinating efforts to detect and mitigate asteroid impact threats

6 stories

Newly Discovered Asteroid Set to Pass Closer to Earth Than the Moon

NASA: Asteroid Apophis Will Pass Closer to Earth Than Many Satellites in 2029

NASA Confirms Asteroid Apophis Will Pass Closer to Earth Than Many Satellites in 2029

Scientists Identify Rare Once-in-a-Century Impact Crater on the Moon

NASA Asteroid Impact Accelerated Binary Orbit Around Sun

NASA DART Changed Binary Asteroid's Solar Orbit in Historic First