New research suggests that the x-ray light coming from the Milky Way’s central black hole Sagittarius A* has changed ...

Physicists may soon witness a cosmic fireworks show: the explosive death of a primordial black hole. Once thought to be unimaginably rare, new research suggests there’s up to a 90% chance of catching ...

Newly reported gravitational waves rang out as clear as a bell. Spotted in January, these spacetime ripples are the clearest yet discovered, cutting through the background noise better than any ...

On Sept. 14, 2015, physicists attained the long-sought goal of detecting gravitational waves, the shockwaves spewed out by such cataclysmic events as the violent merger of two black holes. Now, in the ...