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.

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.

Betelgeuse would then fade over the next several months but remain visible in the day time for six to 12 months. At night, you should be able to see it with the naked eye for another one or two years.

Betelgeuse, a conspicuous red star in the night sky, has awed humanity for thousands of years. We'll be watching as it evolves, and one day, eventually , explodes. Best Curated Amazon Prime Day Deals ...

Betelgeuse would then fade over the next several months but remain visible in the day time for six to 12 months. At night, you should be able to see it with the naked eye for another one or two years.

Stars are the warm beating hearts of planetary systems. Our planet’s entire ecosystem is built on energy from the Sun. Photons enter the atmosphere and interact with plants, which convert that ...

An asteroid will briefly eclipse Betelgeuse, a bright star in the Orion constellation, causing it to disappear from view for those in a narrow strip of the globe. CNN values your feedback 1.

Betelgeuse is thousands of times brighter than our sun and some 700 times bigger. 4. At just 10 million years old, Betelgeuse is considerably younger than the 4.6 billion-year-old sun.

Betelgeuse, one of the biggest and brightest stars in the night sky, will momentarily vanish as an asteroid passes in front of it to produce a one-of-a-kind eclipse.