Tag: joseph simon

Astronomers and astrophysicists at five different pulsar timing array collaborations today announced data that strongly suggests the presence of a gravitational wave background: a constant murmur of low-frequency ripples in…

Since the gravitational waves predicted by Einstein were first detected in 2015, astrophysicists have been pondering the gravitational wave background—the cumulative undulations of these spacetime ripples as they cross the…