Betelgeuse has a sequel — in the form of a companion star that's about the same mass as the sun, orbiting it about once every 2,100 days.

Betelgeuse, one of the brightest stars in the sky in the constellation Orion, has long puzzled astronomers due to its history ...

Acknowledgment: Davide De Martin. The yearslong dimming and brightening pattern of the huge star Betelgeuse (don’t worry—that’s just the second time we’ve said it!) may be due to a much ...

From Aldebaran to Vega, these gleaming beacons dazzle Northern Hemisphere viewers at various times of the year and provide a ...

Betelgeuse, one of the brightest stars in the sky, may have a secret sunlike companion that drives the star’s mysterious ...

When Betelgeuse finally collapses, the star – currently a red supergiant – will likely shine as brightly as the Moon in the sky for about two weeks, and be visible during the day time for 6-12 ...

The iconic star Betelgeuse, which is part of the constellation Orion, is one of the brightest stars visible from Earth and one of the most observed celestial objects in the night sky — but it may not ...

Betelgeuse, one of the brightest stars in the sky, may have a secret sunlike companion that drives the star’s mysterious six-year-long "heartbeat," new research suggests. When you purchase ...

Now a new preprint study suggests that Betelgeuse could actually be two stars, revealing the second star—nicknamed Betelbuddy—to be roughly two solar masses. Although the hypothesis needs ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The iconic star Betelgeuse, which is part of the constellation Orion, is one of the brightest ...