Things are much bigger outside the solar system.

An organic molecule called methanimine was found scattered throughout a dense clump of gas and dust 554 light-years away.

If confirmed, this disappearing act might provide the closest and best observational evidence for the birth of a black hole ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

Astronomers have strengthened long-standing predictions that massive runaway stars could have originated in binary pairs, and were dramatically ejected into space when their companion stars underwent ...

Astronomers tracked a star that slowly faded instead of exploding. The quiet disappearance may reveal a hidden way black ...

In 2014, a NASA telescope observed that the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around ...

In the nearby Andromeda Galaxy, a massive star bright enough to stand out for years has gone dark. Not in a blaze of glory.

Since it turned on, the James Webb Space Telescope has revealed dozens of mysterious red blobs in space. The so-called Little ...

DS1, collapsed into a black hole without exploding, revealing how stars die in silent “failed supernova” events.

A massive star in the nearby Andromeda galaxy has simply disappeared. Some astronomers believe that it's collapsed in on ...

Long strands of glowing gas stretch behind a distant galaxy, dotted with pockets of newborn stars. The shape looks almost biological, like tentacles drifting through water.