AdvertisementScientists have found signs of a new kind of gravitational wave. It's really big03:43Download AudioResumeJune 28, 2023Nell GreenfieldboycefacebookEmailThis artist's impression shows a pair of supermassive black holes circling each other and sending out gravitational waves, which affect the bright, shining pulsars. (NANOGrav/Sonoma State University/Aurore Simonnet)
