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

The Trump administration has called for shutting down either a Tri-Cities, WA, or Louisiana observatory that work in tandem.

L ast month, work began on the world’s first space-based gravitational wave detector. The European Space Agency and partner ...

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