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.

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 best ...

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 ...

Of all the stars in the sky, one in the strangest is known as Betelgeuse. Eventually, the star will die in a supernova explosion, but that could be another 100,000 years away. Scientists have been ...

One of the biggest and brightest stars in the night sky has left astronomers puzzled after it has faded dramatically over the last year. Some have speculated that this is a sign of an impending ...

Betelgeuse, one of the brightest stars in the sky in the constellation Orion, has long puzzled astronomers due to its history of dimming and brightening, sometimes unexpectedly. Now a new preprint ...