For the first time, experts have discovered a much smaller companion star that is orbiting the red supergiant. Find out more ...

Scientists have long speculated that Betelgeuse, one of the brightest stars in the night sky, is not alone. Now, thanks to ...

Astronomers have, for the first time, captured what they believe are the very first moments of rocky planet formation around ...

Astronomers have confirmed the existence of a companion star in a tight orbit around Betelgeuse, resolving a long-standing ...

Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National ...

Betelgeuse, the red supergiant star closest to Earth, has finally been proven to have a companion star in observations from ...

Betelgeuse is one of the brightest stars in the night sky, and the closest red supergiant to Earth. It has an enormous volume ...

"It was something I’ve never seen before and I’ve looked at tens of thousands of images of galaxies over my career," he said.

NASA released the closest-ever images of the sun’s atmosphere. CNN’s Jackie Wattles explains what scientists could learn from ...

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, an unprecedented ...

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

The Parker Solar Probe passed through the sun’s corona late last year, coming within 3.8 million miles from the surface of ...