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

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 ...

Scientists observing the red giant star R Doradus have found that starlight isn’t strong enough to drive its stellar winds, ...

Read full article: Why is there an abandoned missile base in this remote Florida marsh? Cash Creek at Tate's Hell State Forest Artist's concept of a red giant star and white dwarf orbiting one another ...

For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is ...

NASA’s Hubble data shows a wake of dense gas around Betelgeuse, offering the clearest proof yet of a long-suspected companion ...

Astronomers have just watched a supermassive black hole tear apart a gigantic star, releasing a burst of light so intense it ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's impression of the red dwarf star TOI-6894 (foreground) and its giant planet orbiting ...