If the two black holes meet, they could release as much energy as 100 million supernova explosions as they shatter their galaxy, a new study finds.
Its root cause still undetermined, a huge X-ray flare from the Milky Way's center has made NASA scientists sit up and take notice.
An X-ray telescope designed to hunt for black holes takes a look at the sun and helps NASA deliver an intense portrait of our closest star.
Astronomers have located a black hole that appears to be from a new class of cosmic champion eaters.
While we typically think of black holes as death pits from which nothing can escape, recent studies suggest black holes play a pivotal role in creating stars. Could one have created our sun?
The agency's Hubble Space Telescope spots one of the smallest galaxies ever discovered -- with a giant black hole at its core.
Consternation and angst reign after the famed physicist suggests there are no black holes from which light can't escape to infinity.
One of the most powerful black holes in the observable universe has been revealed by NASA's Chandra X-Ray Observatory.
Astronomers at the Chandra X-ray Observatory explain why the black hole at the heart of the Milky Way galaxy doesn't consume everything in sight.
The supermassive black hole at the centre of our galaxy has been spotted slurping up a cloud of hot gas that is falling into it.