Object 3I/ATLAS will make close approaches to Jupiter, Mars and Venus, which could allow aliens to stealthily plant spy ...

Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for ...

Betelgeuse companion discovery with Gemini North resolves century-old mystery and opens new doors in red supergiant research ...

Astronomers have used a novel technique to find evidence of a secret "buddy" star orbiting Betelgeuse, one of the brightest ...

More recently, astronomers have proposed a theory for its volatile nature, which explains the star's seemingly erratic ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

For decades the reddish glow of Betelgeuse has puzzled astronomers, but researchers believe they have now found the reason ...

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

But all of that extra attention has led to another remarkable find. As it turns out, Betegeuse isn’t alone—it actually has a ...

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

Astronomers directly imaged a faint companion star orbiting Betelgeuse, solving a decades-old mystery about its strange ...