Planetary defense: Protecting Earth from space-based threats

Planetary defense refers to the effort to monitor and protect Earth from asteroids, comets and other objects in space.

Exclusive: Pentagon Poised To Unveil, Demonstrate Classified Space Weapon - Breaking Defense

Planetary Defense: How to Protect Earth from Deadly Asteroid Impacts - The Debrief

U.S. generals planning for a space war they see as all but inevitable - SpaceNews

An asteroid impact could wipe out an entire city – a space security expert explains NASA's plans to prevent a potential catastrophe

NASA Asteroid Threat Practice Drill Shows We're Not Ready

Could a space-based sensor layer help stop missile attacks?

NATO Review - The climate-space nexus: new approaches for strengthening NATO's resilience

A Strategic Pivot to Outer Space

An asteroid impact could wipe out a city — but NASA has plans to prevent a catastrophe

Signals, Free Full-Text

Protecting the Planet: Planetary Protection vs. Planetary Defense

5 Differences Between the U.S. Space Force and NASA