Measuring around 41 feet in diameter, the asteroid is speeding towards our planet at more than 38,500 miles per hour.

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

A mile-wide asteroid known as 2005 UK1 will safely pass Earth on Jan. 12, 2026, at 32 times the moon’s distance, posing no ...

“For objects in the main asteroid belt, the fast-rotation limit to avoid being fragmented is 2.2 hours; asteroids spinning ...

An artist’s illustration depicts 2025 MN45—the fastest-rotating asteroid with a diameter over 500 meters that scientists have ...

Astronomers say the Vera C. Rubin Observatory has detected an asteroid that spins faster than other space rocks of its size.

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

But Rubin’s early data is confounding. Among the newly discovered asteroids, researchers identified 76 with reliable spin ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A potential asteroid strike on the moon calculated by NASA ...

Learn how the world’s “largest digital camera” has detected approximately 2,000 new asteroids, a collection that includes ...

Depending on where you smack a planet-threatening asteroid, it might ricochet back to Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.