New research suggests that the heart of the Milky Way may be dominated by a dense clump of dark matter rather than the ...

Astronomers tracked a star in Andromeda as it dimmed and vanished without the usual fiery explosion, offering rare clues to ...

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

For decades, scientists have theorized that the Milky Way Galaxy’s supermassive black hole, known as Sagittarius A* (Sgr A*), ...

WASHINGTON, Feb 12 (Reuters) - The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants collapsing to form an exceptionally dense ...

Only one such event had been documented previously, a star recorded vanishing around 2010 in a galaxy 22 million light-years ...

Astronomers have watched a dying star fail to explode as a supernova, instead collapsing into a black hole. The remarkable sighting is the most complete observational record ever made of a star's ...

Astronomers have caught a supermassive black hole doing something that sounds like science fiction: racing through space at ...

Supermassive black holes rarely travel alone. Most large galaxies hide one at the center, and when galaxies collide, the two central black holes can end up bound together. Astronomers have seen plenty ...

Supermassive black hole binaries form naturally when galaxies merge, but scientists have only confidently observed a very few of these systems that are widely separated. Black hole binaries that ...

Researchers at Oxford University and the Max Planck Institute for Gravitational Physics (Albert Einstein Institute) are ...

A “disappearing” star in the Andromeda galaxy is the closest and best candidate for a newborn black hole that astronomers have ever seen ...