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

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

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

Comet 3I/ATLAS is expected to make its closest pass by the Sun on Oct. 30, when it will fly 130 million miles inside the ...

Astronomers have finally imaged the long theorized companion star of Betelgeuse, solving a mystery regarding its dimming that ...

Astronomers have confirmed the existence of a long-suspected companion star near Betelgeuse, revealing more about our cosmic ...

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

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

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

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

Interest in Betelgeuse intensified during its great dimming in 2019-20 and subsequent resurrection. Among several ...

Using the Gemini North telescope in Hawaii, astronomers have captured an image of comet 3I/ATLAS, an interstellar object that ...