Betelgeuse is one of the brightest stars in the night sky and a familiar landmark in the constellation Orion. It has also ...

Astronomers may have finally solved one of the weirdest mysteries of our night sky: why Betelgeuse, a massive star in the constellation Orion, seems to fade and brig ...

The explosion of Betelgeuse will be a once-in-human-history event. This video details exactly what we'll see from Earth when the supernova occurs: a new point of light as bright as the full moon, ...

Learn how Betelgeuse's atmosphere has been altered by its companion star, which has left behind a trail of expanding gas.