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

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

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

Using various telescopes worldwide, an international team of astronomers has observed a tidal disruption event (TDE) known as ...

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 ...

Astronomers have, for the first time, observed the very beginning of planet formation around a star beyond our Solar System.

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Scientists have long speculated that Betelgeuse, one of the brightest stars in the night sky, is not alone. Now, thanks to ...

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

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

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

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...