The fabric of the universe is constantly rippling, according to astronomers who have discovered a background buzz of gravitational waves. These waves may be produced by supermassive black holes ...

Just like snapping a bedsheet, if you move enough matter around fast enough, a wave of distorted space-time will ripple ... discrete black-hole mergers, experts believed that a background of ...

Gravitational waves, initially predicted by Albert Einstein in 1916, are ripples ... As black holes collide across the universe, these waves all hum and resonate together in the background.

After more than a decade of searching, scientists may have finally heard that background ... black holes are expected to pump out waves continually for millions of years, creating ripples that ...