Astronomers have used a novel technique to find evidence of a secret "buddy" star orbiting Betelgeuse, one of the brightest ...

A team of astronomers have made a fascinating discovery that forces us to rethink our understanding of how dead stars behave.

A new study suggests the universe might collapse in 20 billion years. This challenges the idea of endless expansion.

Astronomers have likely witnessed a planet forming in real time, seen inside a spiral arm of the HD 135344B protoplanetary ...

A rogue intermediate-mass black hole has been observed disrupting a star's orbit in a distant galaxy, thanks to the Hubble Space Telescope and Chandra X-ray Observatory.

The fact that Betelgeuse is one of the brightest stars in the sky over Earth, visible with the naked eye, has made it one of ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

The theorists predict that the beginning of the end will be in about 10 billion years — less than the present age of the ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

Images from two different telescopes give astronomers a glimpse at the formation of a "new" planetary system around a star ...

Hundreds of amateur astronomers are gathering this weekend on Breezy Hill in Springfield, Vermont for the annual Stellafane ...

As NASA reports, two astronomers working with raw Webb data the space agency periodically makes available to researchers, ...