An international team of astronomers led by a researcher at Keele University has solved a long-standing cosmic mystery ...

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

"Until now, it was unknown what type of star would remain after the merger." ...

Astronomers using the Southern African Large Telescope (SALT) have solved a cosmic mystery surrounding one of the most extreme stars known, WOH G64. While recent dramatic fading led many to believe ...

SALT astronomers have confirmed that the massive star WOH G64 is still a Red Supergiant, not a Yellow Hypergiant as ...

A star in the Andromeda Galaxy has inexplicably vanished, leaving behind a puzzling red light source that is baffling astronomers.

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 ...

While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

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 ...

The moon is our nearest neighbor in space, at an average distance of about 238,000 miles. As it orbits our Earth every month or so, it appears to pass by stars and planets in our night sky … or, at ...