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.

NASA begins work on NEO Surveyor asteroid-hunting space telescope

NASA scientist warns Earth is due for 'extinction-level' event

Planetary defense: Protecting Earth from space-based threats

The Space Review: The Russian space threat and a defense against it with guardian satellites

NASA's planetary defenders keep track of potentially harmful asteroids

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

NASA reveals new plan to stop asteroids before they hit Earth

Huge asteroid approaching terrifyingly close to Earth; NASA issues warning

Protecting the Planet: Planetary Protection vs. Planetary Defense

Cybersecurity in the Next-Generation Space Age, Pt. 1: Introduction to New Space

Planetary defense: How can the Earth be protected from SCARY asteroid strikes?

What asteroid will hit 2027?

We still can't protect Earth from potentially hazardous asteroids

Defend Earth The Planetary Society