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 2023 JF flew about 199,000 miles (320,000 km) away from Earth. It's estimated size is about 34 feet wide (10 meters) ...

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

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 ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An asteroid in our ...

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 ...

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 ...