Betelgeuse has been a favorite among amateur astronomers for many years. However you pronounce it, its unexpected dimming draws even more attention to this red supergiant variable star in Orion ...

Betelgeuse, one of the brightest stars in the sky, may have a secret sunlike companion that drives the star’s mysterious six-year-long "heartbeat," new research suggests.

There are signs that Betelgeuse may be evolving rapidly – meaning a supernova explosion may happen sooner rather than later.

Astronomers pointed powerful telescopes at the red giant star Betelgeuse, confirming theories that the star had not almost exploded a few years ago, but it did experience a dimming event.

An asteroid will briefly eclipse Betelgeuse, a bright star in the Orion constellation, causing it to disappear from view for those in a narrow strip of the globe.

Features Betelgeuse: why star is behaving oddly and what would happen if it exploded Dimming and then brightening has led to speculation about whether its demise in the form of an explosion is ...

"If Betelgeuse exploded as a supernova anytime in the past 499 years, the light from that event has not yet had enough time to reach Earth…so we have no way of knowing if Betelgeuse has already ...

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 ...

Betelgeuse, 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.