Science ❯ Astronomy ❯ Space Exploration

Planetary Defense

Asteroid Missions Asteroid Research Hera Mission Near-Earth Objects Asteroid Impact Impact Risk Assessment NEOWISE Mission Asteroid Deflection ESA and NASA Collaboration ESA

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.

DART Impact Measurably Nudged Asteroid Pair’s Orbit Around the Sun, Study Confirms

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

DART Test Measurably Shifted Asteroid Pair’s Path Around the Sun

Impact Alert Withdrawn as Suspected Asteroid Reidentified as Interstellar Comet 3I/ATLAS

Asteroid 2025 OW to Pass Safely at 1.6 Times the Moon’s Distance on July 28

NASA Confirms Safe July 28 Flyby of Asteroid 2025 OW

Researchers Estimate 3I/ATLAS Interstellar Comet Is Over Seven Billion Years Old

Philae's Historic Comet Landing Celebrated on 10th Anniversary

ESA's Hera Mission Launches to Study Asteroid Dimorphos

ESA's Hera Mission Launches to Investigate NASA's Asteroid Impact

NASA Ends NEOWISE Mission After 15 Years of Tracking Near-Earth Objects

NASA Decommissions NEOWISE After 15 Years of Asteroid Detection

NASA's DART Mission Unveils New Insights into Asteroid Deflection