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 ...

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

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

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

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

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

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

It is Betelgeuse and for hundreds of years astronomers have puzzled why its twinkle grows lighter and then dimmer over time.

A team of astronomers discovered a strange object in the outer solar system that is in a resonant orbit with Neptune.

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 ...

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