When an asteroid threatens Earth, astronomers use a rating called the Torino scale to communicate the risk. Richard Binzel, ...

"If 2024 YR4 strikes the Moon in 2032, it will (statistically speaking) be the largest impact in approximately 5,000 years," ...

NASA has identified a significant shift in the trajectory of asteroid 2024 YR4, initially considered a potential ‘city killer ...

On December 27, 2024, astronomers detected a new asteroid, 2024 YR4, that briefly became the most closely watched space rock ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

Millions of asteroids are currently zipping through our solar system. These rocky remnants of the early solar system receive extra attention when their itinerary brings them too close to Earth—which, ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

The discovery of a new celestial object in the Earth's neighborhood has created a buzz online asking whether the planet now has a second moon in its orbit. Any thoughts that Earth is now going to be ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...