NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

The new documentary also explores the emerging science of planetary defense, which could one day be used to try to prevent a dangerous asteroid from hitting us. As Reddy puts it in the film ...

NASA is bringing the world of planetary defense to the public with its new documentary, "Planetary Defenders." Dr. Shantanu ...

NASA is actively working on planetary defence against asteroids that could threaten Earth. Their new documentary highlights efforts being made.