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

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

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

The findings confirm a long-standing theory first proposed in the early 1900s. More importantly, it sheds new light on how ...

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

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

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 ...

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

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

The Gemini North Telescope, one half of the International Gemini Observatory, studies the skies above Maunakea, a mountain in Hawaii. Its twin, the Gemini South Telescope, is based in the Chilean ...

An international team of astrophysicists, led by Northwestern University and the University of Leicester in England, has ...

It's out of this world. Or, more accurately, this solar system.On July 1, astronomers discovered an object near the orbit of Jupiter that was somewhat peculiar. It had a strange orbit, one that didn't ...