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Planetary Defense

Near-Earth Objects Asteroids Risk Assessment Impact Events Impact Risk Assessment NASA Impact Risk NASA Missions Impact Mitigation Asteroid Detection

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

The pact clears the way to watch Earth’s pull change Apophis in real time.

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New Meteor Shower Traces to Asteroid Crumbling Near the Sun

JWST Data Rules Out 2032 Lunar Impact by Asteroid 2024 YR4

Study Confirms DART Nudged Asteroid Pair’s Solar Orbit in First Measured Human-Made Deflection

Study Confirms DART Nudged Asteroid Pair’s Solar Orbit, a First for Humanity

Webb Data Rules Out 2032 Lunar Impact for Asteroid 2024 YR4

Webb Observations Eliminate 2032 Lunar-Impact Risk From Asteroid 2024 YR4

Webb Observations Rule Out 2032 Lunar Strike by Asteroid 2024 YR4

NASA Warns Thousands of Mid‑Sized Asteroids Remain Undetected as Deflection Capability Lags

CERN Test Finds Iron Meteorite Hardens Under Extreme Irradiation, Bolstering Nuclear-Deflection Case

UN Network Launches Global Campaign to Track Interstellar Comet 3I/ATLAS Before Dec. 19 Flyby

New Study Flags Possible Taurid ‘Resonant Swarm’ Risk in 2032 and 2036

NASA and IAWN Activate Coordinated Tracking of Interstellar Comet 3I/ATLAS Ahead of Perihelion

Tiny Asteroid 2025 TF Slipped Past Earth at ISS Altitude Before Detection

Study Flags Hidden Venus Co-Orbitals That Could Drift Into Earth-Crossing Paths

Study Outlines Nuclear or Kinetic Response as Asteroid 2024 YR4 Poses 4% Moon-Impact Risk

Study Flags Hidden Venus Co-Orbital Asteroids as Long-Term Earth Hazard

Hayabusa2 Target 1998 KY26 Is Just 11 Meters Across With 5-Minute Days, Complicating 2031 Visit

Astronomers Confirm Tiny Quasi‑Moon 2025 PN7 Shadowing Earth for Decades

Asteroid 2025 FA22 Safely Speeds Past Earth at More Than Twice the Moon’s Distance