In other words, Betelgeuse is actually two stars. This hypothesized, unknown star—excellently nicknamed Betelbuddy—is likely ...

To give a sense of scale, if Betelgeuse were placed at the center of our solar system, its surface would extend beyond the ...

Betelgeuse is a red giant star that shines brightly in the night sky. It makes up one of the "shoulders" of Orion, one of the ...

Betelgeuse is the shoulder of Orion ... But either way, as stars go, that's not a lot. Our own sun will outlive multiple generations of such giants, and red dwarfs, the smallest stars in the ...

This figure shows measurements of Betelgeuse's brightness from different observatories from late 2018 to present. The blue and green points represent data from ground-based observatories.

Betelgeuse, which shines in Orion as part of ... is a red giant star that is about 15 to 20 times as massive as the Sun. If it were in the same position as the Sun, it would swallow up the orbit ...

Sirius, in the constellation Canis Major, is the brightest star in the sky. It’s twice as massive as the Sun. Canopus, the ...

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 ...

One of the brightest stars in the night sky, Betelgeuse, may not be on the brink of exploding as a supernova, according to a new study of the star's brightening and dimming. Instead, recent ...