This is the most massive black hole binary we’ve observed through gravitational waves, and it presents a real challenge to ...

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

When binary neutron stars or black holes swirl around each other, they constantly emit gravitational waves, which carry energy away from the system in the form of angular momentum.

Scientists have made a terrifying discovery: two black holes are on a collision course, set to merge into a massive hole that ...