The companion star of Betelgeuse, seen for the first time by the Gemini North Telescope. "This discovery answers the ...

Let’s tell the story of one of the night sky’s brightest and most unpredictable stars - Betelgeuse - and a secret it may have been hiding for centuries: a companion star named Siwarha. In 2019, ...

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.

"Gravity darkening" might explain the strange episode. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In late 2019, the star Betelgeuse dimmed ...

Betelgeuse’s intense glow and vast size—about 700 times the Sun’s radius—have long made it difficult to study anything nearby. Using the NASA-NSF-funded ‘Alopeke instrument on the Gemini North ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Bad news, space explosion fans: Betelgeuse is behaving strangely again, but it’s probably not about to explode. Betelgeuse, the red giant best known for its starring role as the right shoulder of the ...

Astronomers have long considered Betelgeuse a candidate for a long-overdue supernova within our galaxy. Yet the red supergiant now appears to be recovering following a mysterious and catastrophic 2019 ...

It may not be your typical eclipse, but a celestial event expected to occur for a fleeting few moments this week may still have you star-struck. An asteroid is slated to pass in front of the star ...