Dozens of 'wandering' black holes could be tumbling through our galaxy right now, new simulations hint. Their existence could ...

Some stars streaking through the Milky Way at millions of kilometers per hour probably trace back to a supermassive black ...

Supermassive black holes are behemoths that weigh in at several million to billion times the mass of our own sun. Like their ...

The moment one galaxy spears another with a powerful beam of radiation shooting from its central black hole has been spotted ...

NTNU researchers may have found the answer to one of the big, unanswered questions in physics. The universe is full of ...

Astronomers searching for massive black holes shredding stars found one in an unusual place -- 2,600 light years from the core of a galaxy. The roque black hole may be from an earlier merger with ...

When people think of black holes, they imagine something dramatic: a star exploding in space, collapsing in on itself, and ...

Astronomers have spotted an apparent supermassive black hole snacking on a star 600 million light-years away, wandering ...

Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.

Astronomers have observed two distant galaxies - both possessing roughly as many stars as our Milky Way - careening toward ...

Using NASA 's Hubble Space Telescope and other observatories, astronomers found the cosmic object in an unexpected place.

Long ago, in a galaxy 600 million light years from Earth, a star got too close to a massive black hole and was torn apart. This image combines observations of the tidal disruption event obtained ...