Gravity waves have been discovered.
Einstein predicted the existence of these waves in his General Theory of Relativity.
https://www.theguardian.com/science/201 ... he-centuryPhysicists have announced the discovery of gravitational waves, ripples in spacetime first anticipated by Albert Einstein a century ago.
“We have detected gravitational waves. We did it,” said David Reitze, executive director of the Laser Interferometer Gravitational-Wave Observatory (Ligo), at a press conference in Washington.