Asteroid 2024 YR4, once considered the highest impact risk to Earth ever recorded, is back in the spotlight — this time due to a slight increase in the chance that it could impact the moon in 2032.

An asteroid strike 66 million years ago triggered the Cretaceous-Paleogene extinction, which wiped out the dinosaurs, along with about three-quarters of the Earth’s animal species. A new Yale ...

Earlier this month, NASA identified an asteroid—2015 TB145—that will pass by Earth on Oct. 31, at the relatively close distance of 310,000 miles. NASA’s Jet Propulsion Laboratory notes that the flyby, ...

In the late 1960s, a group of graduate students at MIT took on an extraordinary challenge: figuring out how to stop an asteroid from slamming into Earth. The result? Project Icarus. A detailed, ...