Asteroid 2023 BU is about the size of a box truck and is predicted to make one of the closest approaches by a near-Earth object ever recorded. On Thursday, Jan. 26, a small near-Earth asteroid will ...

Asteroid Leona is expected to eclipse the giant red star Betelgeuse late Tuesday, a long-anticipated event that will help astronomers better understand Leona’s size and Betelgeuse’s make-up. A "ring ...

In 2023, scientists managed to discover quite a bit about asteroids. Here are 11 of the biggest updates. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

One of the biggest and brightest stars in the night sky will momentarily vanish as an asteroid passes in front of it to produce a one-of-a-kind eclipse. The rare and fleeting spectacle, late Monday ...

Learn how astronomers spotted 2025 TF, an asteroid that passed just 266 miles over Antarctica in early October 2025.

This computer-generated handout image released by the European Space Agency shows the impact of the DART (Double Asteroid Redirection Test) projectile on the binary asteroid system (65803) Didymos.

Scientists are exploring whether they might save Earth with a plot from a sci-fi disaster movie. A study released this month investigated whether a nuke could be shot “millions of miles” into space to ...

Scientists have discovered a significant asteroid orbiting the planet that some are considering to be Earth's 'second moon.' ...

Earth has just acquired a new best friend in space – a small asteroid named 2025 PN7. Not quite a moon, it has been moving in ...

This image made with the Hubble Space Telescope and released by NASA on Aug. 10, 2020 shows the star Alpha Orionis, or Betelgeuse, a red supergiant. The star, one of the biggest and brightest in the ...