Its famous dimming event from a few years ago turns out to be evidence of a recent explosion rather than an imminent supernova. Eric Mack has been a CNET contributor since 2011. Eric and his family ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept shows the red supergiant star Betelgeuse and an orbiting companion star creating a wake in the larger object ...

Betelgeuse is one of the best-known stars in the night sky, as well as the easiest to find. New examinations of this behemoth star suggest it is both smaller — and closer — than astronomers believed.

CAPE CANAVERAL, Fla. (AP) — 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 ...

Using new observations from NASA’s Hubble Space Telescope and ground-based observatories, astronomers tracked the influence of a recently discovered companion star, Siwarha, on the gas around ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. This artist’s concept shows ...

CAPE CANAVERAL, Fla. — 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 ...

One of the brightest objects in the night sky is expected to be obscured in a once-of-a-kind type of celestial object, and it doesn’t involve the sun or Earth’s moon. The asteroid Leona is on track to ...

This illustration plots changes in brightness of the red supergiant star Betelgeuse, following the titanic mass ejection of a large piece of its visible surface. The escaping material cooled to form a ...