Whenever we enter Valentine’s season, astronomers are sometimes asked about possible Valentine’s Day stars.  To answer this ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

For years, we looked at Betelgeuse waiting for the end. When the "Great Dimming" happened in 2019, the world held its breath, convinced a Supernova was imminent. But Betelgeuse didn't explode. Instead ...

Betelgeuse is the star that everybody can't wait to see blow up, preferably sooner rather than later. That's because it's a red supergiant on the verge of becoming a supernova and there hasn't been ...

New multi-year observations from the NASA/ESA Hubble Space Telescope and ground-based telescopes at the Fred Lawrence Whipple Observatory and Roque de Los Muchachos Observatory reveal how a faint ...

Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

Betelgeuse is one of the weirdest stars in the sky, but astronomers can now explain one of its most enduring mysteries. A small companion star has been confirmed, revealed by the wake it leaves as it ...

Betelgeuse is a massive red star that’s easy to spot in the night sky. Located on Orion’s shoulder, it glows red and oversized compared with most stars. For as long as astronomers have observed it, ...

A multi-observatory study led by the Center for Astrophysics | Harvard & Smithsonian has characterized the impact of a newly discovered secondary star, Siwarha, on the circumstellar environment of ...

For more than a century, Betelgeuse has looked like a star with a secret. It swells and fades on a six-year rhythm that never quite made sense. The star, about 650 light-years away in space, is old, ...

Space scientists have solved the mystery of why one of the brightest stars in the sky acts strangely. Red supergiant Betelgeuse has been found to have a newly discovered companion star, Siwarha, that ...