Science ❯ Astronomy ❯ Planetary Defense

Asteroids

Apophis Impact Mitigation DART Mission Nuclear Deflection Detection Methods Impact Threats Missions Near-Earth Objects Hera Mission Ejecta Dynamics Nuclear Weapons China's Asteroid Defense Mission Nuclear Detonation Nuclear Detonation Strategies Didymos and Dimorphos Impact Missions Near-Earth Asteroids 3I/ATLAS Impact Events

8 ARTICLES

last mo.

Chinese Study Models Buried Nuclear Blast To Destroy or Deflect Asteroids

Simulations find a two-step penetrator plus a roughly 3‑megaton buried detonation can greatly increase deflection power, posing major technical, fragmentation and legal challenges.

3 ARTICLES

2mo ago

Study Proposes Drilling Into Threatening Asteroids and Detonating Nuclear Devices Inside

3 ARTICLES

4mo ago

ESA and JAXA Seal Ramses Mission to Meet Apophis Before 2029 Earth Flyby

4 ARTICLES

last yr.

China Unveils Two-Spacecraft Test to Nudge an Asteroid’s Orbit