Fourth gravitational wave signal detected – Five things you need to know
The latest observation was made on August 14, 2017. It's the first gravitational wave signal recorded by the Virgo detector.
Sep 28, 2017, 09:56 AM ISTFive things you need to know about gravitational waves!
Gravitational waves are ripples that travel at the speed of light through the fabric of space-time.
Feb 11, 2016, 23:12 PM IST