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 ...

This photo provided by NASA shows a photo taken by the Lucy spacecraft during Wednesday, Nov. 1, 2023 flyby of asteroid Dinkinesh, 300 million miles from Earth. It ...

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 ...

Recently discovered asteroid 2023 DW has been predicted to have a close encounter with Earth on Feb. 14, 2046. See NASA's ...

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 ...

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 ...

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.

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 ...