But it will actually be painful to look at because, unlike the full moon that is this gorgeous disk in the sky, Betelgeuse is ...

Although the hypothesis needs visual confirmation, a second star wouldn’t be atypical for a red supergiant like Betelgeuse, ...

A faint star in a constellation visible from the Northern Hemisphere after dark may explode on Thursday in what's going to be ...

Caption This illustration plots changes in brightness of the red supergiant star Betelgeuse, following the titanic mass ejection of a large piece of its visible surface. The escaping material ...

Could the giant star Betelgeuse have a buddy? A Betelbuddy? Betelgeuse, the second-brightest star in the constellation Orion, ...

NASA's STEREO spacecraft -- with measurements shown in red -- stepped in to observe Betelgeuse from its unique vantage point, revealing unexpected dimming by the star. The 2018 data point from ...

Betelgeuse has been a favorite among amateur astronomers for many years. However you pronounce it, its unexpected dimming draws even more attention to this red supergiant variable star in Orion.

When Betelgeuse, a red supergiant star in the constellation Orion, eventually goes supernova—likely within the next 100,000 years—the night sky will light up as if a second sun appeared ...