Scientists have identified the Bennu asteroid threat as the highest single-date impact probability for any known asteroid. The post Bennu Asteroid Could Hit Earth and Would Have Impact of 22 Atomic ...

Long before oceans teemed with life, Earth endured relentless violence. Asteroids slammed into its surface again and again, reshaping the young planet.

A catastrophic asteroid breakup may have triggered a huge wave of impacts across the inner solar system about 800 million ...

While getting ready for a camping trip, an amateur astronomer spotted a possible crater. It appears to be a match, pending ...

An asteroid discovered late last year is continuing to stir public interest as its odds of striking planet Earth less than eight years from now continue to increase. Two weeks ago, when Ars first ...

China is studying an on-orbit kinetic impact test mission for planetary defense that would target a small near-Earth asteroid ...

It's actually good news that NASA spotted a sizable asteroid with a (small) chance of hitting Earth in 2032. It means our asteroid-sleuthing telescopes are working. "These things come through on a ...

(fotograzia/Moment/Getty Images) In the beginning, there was moosh. At the dawn of the Solar System, young Earth was little ...

A near-Earth asteroid as wide as the Statue of Liberty is tall has been discovered that could strike Earth in 2032. It’s triggered a rare warning by the International Asteroid Warning Network, which ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread. Unraveling Earth's 4.5-billion-year history with rocks is tricky business. Case ...

Last year, geologists dated the crater in Western Australia at 3.47 billion years old, which was disputed by other experts. Now, they've revised the estimate to 3.02 billion years old—but some still a ...

For a few days in mid-February, headlines around the world buzzed about the potential for an asteroid to hit the Earth in 2023—specifically, asteroid 2024 YR4. The chance of this impact rose to a high ...