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

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

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, ...

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s atmosphere. Signs of the smaller star’s trail around the red supergiant are the best ...

Astronomers have used NASA's Hubble Space Telescope to find new clues that a companion star is to blame for Betelgeuse's strange behavior. - NASA / ESA / Elizabeth Wheatley illustration For more than ...

Andrea Dupree presented findings titled “Discovery of the Wake Caused by Siwarha — the Betelgeuse Companion” at the 247th American Astronomical Society meeting in January. While previously believed to ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

"It's a bit like a boat moving through water." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers and scientists love Betelgeuse because ...

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 ...

Using new observations from NASA’s Hubble Space Telescope and ground-based observatories, astronomers tracked the influence of a recently discovered companion star, Siwarha, on the gas around ...