One, two and now three historic waves have come from deep space — confirmed again by a chirping sound that was like music to the soul for the worldwide group of scientists waiting for it. An ...

Within twenty months after announcement of the first confirmed detection of gravitational waves and within two weeks of the discovery winning the Nobel Prize, the LIGO-Virgo collaboration - that ...

For only the second time in history, two powerful scientific tools on Earth have directly detected ripples in the fabric of space and time sent out by two colliding black holes. On Dec. 26, 2015, the ...

The journey began about 20 years ago. The Laser Interferometer Gravitational Wave Observatory (LIGO) was built in Handford, Washington, and Livingston, Louisiana, to detect and study the gravitational ...

Scientists at Advanced LIGO observatories in Livingston Parish and Hanford, Wash., have detected gravitational waves for the third time after two black holes collided to form a larger black hole, the ...

Installation of in-vacuum equipment as a part of the squeezed-light upgrade before Advanced LIGO’s third observing run. LIGO team members install in-vacuum equipment that is part of the squeezed-light ...