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

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, ...

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

The Gemini South telescope in Chile has been used by astronomers to detect a planet being devoured by its dying host star, a process similar to the fate of Earth billions of years from now. Credits: ...

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.

Astronomers unveiled a striking view of the new interstellar visitor 3I/ATLAS on its journey toward the inner solar system.

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

Astronomers have discovered a bizarre object in the outer solar system, 2020 VN40, that dances to Neptune’s gravitational ...

A cosmic traveler from another star system is currently visiting our solar neighborhood. Scientists are closely observing ...

An oddly tilted object beyond Neptune moves in perfect sync, one orbit for every ten of Neptune’s, and scientists are ...

Using a combination of telescopes, astronomers have characterized the closest supernova linked to a fast X-ray transient. The ...