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.

Space-based Missile Warning & Defense

Shanahan: Next Big War May Be Won or Lost in Space > U.S. Department of Defense > Defense Department News

NASA unveils bold new plan to protect Earth from asteroids

Preparation and Vigilance: Earth's Safeguards Against Asteroid Threats

Humanity Could Survive A 'Planet-Killer' Asteroid, A New Study Says

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

Understanding the Threat of Planet-Killer Asteroids and NASA's Mitigation Strategies

Asteroids LearnEnglish

NASA begins work on NEO Surveyor asteroid-hunting space telescope

Seeing in the dark: Space Force works, slowly, to improve monitoring of the heavens - Breaking Defense

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

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