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.

Planetary Defense - Protecting Earth from Asteroids — VisionSpace Blog

Protecting the Planet: Planetary Protection vs. Planetary Defense

Space Force Not Our First Line of Defense Against Asteroids

Defending Earth - Aerospace America

NASA's DART spacecraft will smash into asteroid to test planetary defense tool : NPR

Planetary Defense Is Good--but Is Planetary Offense Better?

How NASA Protects Earth From Asteroids

Satellites Are Rife With Basic Security Flaws

NASA spacecraft will slam into asteroid in first planetary-defence test

Asteroid impact avoidance - Wikipedia

If an asteroid really threatened the Earth, what would a planetary defense mission look like?

Damage control: WVU researchers aim for the sky to track lethal space debris, WVU Today

Threat to earth posed by meteors must be taken seriously, NASA warns

Hera Mission

Planetary Defence System, Kardashev Scale Wiki