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 image of Betelgeuse is ...

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.

If you hear the word “superstar,” what immediately comes to mind? Perhaps names like Tom Hanks, Taylor Swift or LeBron James?

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have observed a faint blue star near the red supergiant star Betelgeuse ...

Beautiful, baffling Betelgeuse, a red supergiant star about 700 times larger than the sun and 643 light years away, gleams through the telescope on January 6, 2020. Michael J. Boyle Guinan bases his ...

On July 21, 2025, NSF NOIRLab issued a press release stating that astronomers had detected a long-anticipated companion star to the red supergiant Betelgeuse. The team of astrophysicists, led by Steve ...

Any star with a name like Betelgeuse must be remarkable. The unusual name is Arabic for “armpit.” It marks the shoulder ...

Astronomers have made an astonishing revelation: the red supergiant Betelgeuse, one of the most studied stars in the night sky, has a binary twin. The companion star, named Siwarha, has been detected ...

This artist’s concept shows the red supergiant star Betelgeuse and an orbiting companion star creating a wake in the larger object's atmosphere. - Elizabeth Wheatley/ESA/NASA Astronomers have long ...

Betelgeuse, a massive star bigger and brighter than our sun, will momentarily blink out next week when an asteroid passes in front of it, creating a rare eclipse viewable to millions. The celestial ...

(CNN) — Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant star in the shoulder of the Orion constellation. One of the ...