Betelgeuse, the brilliant red star marking Orion's shoulder, has long been suspected of harboring a secret. I have to confess, Betelgeuse holds a special place in my heart as the first star I ever ...

Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant star in the shoulder of the Orion constellation. One of the best ...

Betelgeuse’s intense glow and vast size—about 700 times the Sun’s radius—have long made it difficult to study anything nearby. Using the NASA-NSF-funded ‘Alopeke instrument on the Gemini North ...

Betelgeuse, the second-brightest star in the familiar constellation Orion, is a strange, giant star. Recent observations have revealed that it spins much faster — and has many more heavy elements ...

Images taken by JWST reveal the star that became SN2025pht before it exploded, providing our best view of a red supergiant ...

Betelgeuse, as imaged by the Hubble Space Telescope on August 13, 2020. Image: ESO/Digitized Sky Survey 2. Acknowledgment: Davide De Martin The bright star Betelgeuse, a prominent member of the Orion ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An asteroid in our ...

Lucky skywatchers in a narrow path across portions of Asia, Europe, and southern Florida will see an exciting sight tonight: For an instant, one of the most well-known stars in the sky will wink out.

CAPE CANAVERAL, Fla. (AP) — 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. The rare and ...

CAPE CANAVERAL, Fla. (AP) — 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. The rare and ...