Astronomers have confirmed the existence of a companion red star in a tight orbit around Betelgeuse, resolving 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 discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National ...

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

Betelgeuse, the red supergiant star closest to Earth, has finally been proven to have a companion star in observations from ...

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

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

NSF-funded ‘Alopeke instrument on the Gemini North telescope, one half of the International Gemini Observatory, partly funded by the U.S. National Science Foundation (NSF) and operated by NSF NOIRLab, ...

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

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

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

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