Black hole light echoes are an extreme form of gravitational lensing. To measure the masses and spins of black holes, ...

The kilonova briefly mimicked the conditions immediately following the Big Bang, and allowed scientists to confirm the source ...

Scientists Discovery of First of Its Kind 'Triple Black Hole' Leaves Them Baffled as They Had No Idea It Could Even Exist ...

Black holes are fascinating objects. They're unimaginably dense: If Earth was (hypothetically) crushed into a black hole, it ...

Scientists have found the "hungriest" black hole that is "feasting" on matter faster than experts previously thought possible ...

Astronomers have used a range of telescopes, including Hubble, to watch as particles dance around a neutron star collision ...

As we gaze into the universe, we've discovered most galaxies have a supermassive black hole lurking near the center.

Using NASA's Chandra X-ray Observatory, astronomers studied the jets of a black hole at the center of Centaurus A, watching ...

Astronomers continue to stress the value of X-ray science as NASA's flagship Chandra X-ray telescope remains on the chopping ...

New research suggests black holes are unstable, challenging Einstein's theory of general relativity and the Kerr solution.

Astronomers have found what could be described as the universe's hungriest black hole – one that's breaking fundamental ...