Two Asteroids, One Dinosaur Extinction: Second Crater Bolsters Double Impact Theory

The 5.3-mile-wide crater is now confirmed to be 66 million years old, suggesting that the impact of at least two giant space rocks preceded the mass extinction of dinosaurs.

Nukes Could Save Earth From an Asteroid, Just Not the Way You Imagine

Nuclear devices generate massive amounts of X-rays. A new experiment suggests that might be enough to divert a killer asteroid.

Earth Had Rings Like Saturn Millions of Years Ago, Study Suggests

A weird number of craters are located close to the equator, and the odds that this is random are incredibly low, researchers say.

An Asteroid Will Become Earth’s ‘Mini-Moon’ for Two Months

The tiny asteroid will complete a wide orbit over the course of 53 days, but don't get your hopes up about seeing it.

Solar System’s Largest Moon Was Shifted by Giant Asteroid Impact, Study Says

The impact event happened 4 billion years ago and can be further investigated by an upcoming mission.

NASA Smashed Into an Asteroid in 2022. The Debris Could End Up Reaching Earth

Rocks knocked off Dimorphos could come back to bite us in a few years—in the form of harmless meteors.

Asteroid That Killed the Dinosaurs Has a Bizarre Origin Story

When the Chicxulub asteroid slammed into Earth, it set off a chain of planet-wide devastation. New research suggests we should blame Jupiter.

This Is the Last Image Taken by NASA’s Historic Asteroid-Hunting Spacecraft

The satellite played an integral role in laying the groundwork for NASA's planetary defense mission.

Most Near-Earth Objects Could Be ‘Dark Comets,’ Neither Comets Nor Asteroids

The mysterious objects may be far more common than we thought and may have brought water to Earth.

The Asteroid Dimorphos Looks Totally Different After NASA’s DART Mission Walloped It

The tiny asteroid was left deformed after the spacecraft slammed into it at a high rate of speed.

Space-Scanning Algorithm Spots ‘Potentially Hazardous’ 600-Foot Asteroid

Armed with this promising new tool, a cutting-edge observatory in Chile will sweep the cosmos for all sorts of transient objects.

Hubble Spots ‘Boulder Cloud’ From NASA’s Asteroid-Smashing DART Mission

The finding introduces a new wrinkle to NASA’s plan of using kinetic impactors to divert dangerous asteroids.

Absurdly Large Satellite Phones Home After Successful Launch

AST SpaceMobile's recently launched BlueWalker 3 satellite will soon unfurl its massive antenna, making it among the brightest objects in the night sky.

NASA’s DART Mission Is Going to Really Mess Up This Tiny Asteroid

A follow-up mission by the European Space Agency could find a very different looking Dimorphos.

China Hopes to Redirect a Nearby Asteroid Within the Next Four Years

China’s space agency is also seeking to develop a ground-based asteroid monitoring and warning system, in what is a welcome development.

The Spacecraft That’s Going to Smash Into an Asteroid Just Sent Back Its First Pictures

The DRACO camera is the only instrument aboard NASA's planetary-defense DART mission.

A Last-Minute Nuke to Shatter an Incoming Asteroid Could Actually Work, Study Suggests

Models suggest 99% of an asteroid’s mass would fail to hit Earth after a disruptive nuclear strike.

You Won’t Need Your Parents’ Basement for These Tiny Atari 2600 and Dance Dance Revolution Setups

Live out your private arcade fantasies without sacrificing any living space in your home.

No, an Asteroid the Size of a Skyscraper Isn’t Going to Hit Earth, Sorry

The Asteroid Impact Simulation Has Ended in Disaster