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

The giant star Betelgeuse has been observed for thousands of years and its fluctuations in brightness have long been ...

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

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

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

The Gemini South telescope in Chile has been used by astronomers to detect a planet being devoured by its dying host star, a ...

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

Betelgeuse, easily visible to the naked eye and one of the largest stars near Earth, has captured human attention for millennia.

It's around 1.6 times the mass of the Sun, Howell and his colleagues believe, at an orbital separation of 4 astronomical ...

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

Since at least the time of the ancient Egyptians, people across the world have gazed up in awe at Betelgeuse, one of the ...

Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not ...