First hints of background gravitational waves from supermassive black holes abc.net.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from abc.net.au Daily Mail and Mail on Sunday newspapers.
Radio telescopes around the world picked up a telltale hum reverberating across the cosmos, most likely from supermassive black holes merging in the early universe.
The discovery is the first evidence for a gravitational wave background, what some scientists are calling a soup of feeble distortions in space-time pervading the entire universe