The object at the Milky Way’s center has long been treated as a settled case: a supermassive black hole called Sagittarius A* ...

If a pair of black holes coalesce into one, much of that vast energy can be released in a few seconds.

Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be ...

Astronomers have found growing evidence that runaway black holes are hurtling through galaxies at extreme speeds, leaving ...

What if the Milky Way’s central “black hole” isn’t a black hole at all? A new model proposes that an ultra-dense dark matter core could mimic its gravitational pull.

NASA may have uncovered a new truth about the universe after discovering over 100 million "dark bubbles" in the Solar System thanks to improved technology.

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

Our Milky Way galaxy may not have a supermassive black hole at its center but rather an enormous clump of mysterious dark ...

An exotic type of dark matter could explain some of the characteristics of our galaxy’s central supermassive black hole, but many cosmologists are leery of the idea ...

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

NASA’s NEOWISE archival data tracks a massive star in Andromeda fading quietly into a black hole, providing detailed observations of stellar collapse and gas expulsion from 2005 to 2023.