The Debrief • News and Community

planetary defense

The Massive Asteroid Apophis Will Pass Closer to Earth Than Some Satellites in 2029—Planetary Defense Researchers are Getting Ready

Aug 22, 2026

“A Potential Minefield” in Earth’s Orbit Has Scientists Sounding the Alarm Over Hidden Objects Threatening Critical Satellites

Jul 9, 2026

Scientists Warn Extraterrestrial Encounters Could Endanger Earth—a Quarantine Facility on the Moon May Be Our Last Line of Defense

Jun 22, 2026

17,000-Pound Meteor That Rattled Ohio on Saint Patrick’s Day Prompts Update from NASA Officials

Mar 19, 2026

NASA Confirms DART Mission was the First Human-Made Object to Alter an Asteroid’s Orbit

Mar 7, 2026

Christopher Plain

Astronomers Just Spotted an Undiscovered Space Object Hiding in the Sun’s Glare—And It’s Moving Extremely Fast

Oct 27, 2025

The “Tug of War” Secretly Driving Asteroid Behavior is Revealed in New ESA Gaia Research

Oct 7, 2025

Discovering Australia’s Mysterious 'Lost' Asteroid Impact: Ancient Glass Reveals Evidence of a Long-Hidden Event

Sep 20, 2025

Hayabusa2 Asteroid Sample-Return Mission’s Next Touchdown Just Got Complicated

Sep 19, 2025

China Says It Wants to Kill an Asteroid

Sep 12, 2025

When Asteroid Deflection Fails: How The Keyhole Effect Could Send Dangerous Space Rocks Back on A Collision Course With Earth

Sep 11, 2025

Scientist Demonstrates Detection of Near-Earth Objects Like Spacecraft and Asteroids with Heliostats

Jul 31, 2025

Christopher Plain

“Something Unknown Is at Work” Behind NASA’s DART Planetary Defense Mission—and Astronomers Are Worried

Jul 10, 2025

NASA and ESA Are Tracking an Asteroid That Might Collide With the Moon in 2031

Jun 24, 2025

Infrasound Technology Proves Critical for Planetary Defense Against Threats from Outer Space

May 3, 2025

Christopher Plain

Planetary Defense Experts Issue Update on Worrisome “City-Killer” Asteroid 2024 YR4

Feb 25, 2025

NASA Tracked Two Near-Earth Objects During Their Recent Close Approaches. One Wasn’t Traveling Alone.

Jul 6, 2024

Curious ‘Oblong’ Object Detected on Radar Was Closely Tracked by NASA, Officials Say

Feb 21, 2023

HAARP Facility Experiment Bounces Radio Signals Off Space Object to Help Boost Planetary Defense

Jan 2, 2023

NASA's NEO Surveyor Will Defend Earth Against 'Invisible' Threats From Space

Dec 29, 2022

Powered by RoundtableBuilt on infrastructure designed for real-time media. Learn more at RTB.io.© Roundtable 2026. By using this site you agree to the Terms of Use and Privacy Policy