Learn more about LIGO, the observatory that detected two massive black holes merging, the largest in recorded history.

Using ripples in space-time predicted by Einstein, researchers detected a cosmic merger of unprecedented proportions. A ...

A short-lived ripple in space-time revealed that two black holes merged into a giant black hole with the mass of 225 suns ...

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through Earth from the most massive collision of black holes ever observed, a ...

“Third, as an unexpected bonus, it turns out that both galaxy nuclei also have an active supermassive black hole. So, this ...

Astronomers have detected the most massive black hole merger ever observed, challenging stellar evolution and black hole formation theories.

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This artist's concept illustrates a hierarchical scheme for merging black holes. Credit LIGO/Caltech/MIT/R. Hurt (IPAC) In a breathtaking leap for astrophysics, the LIGO-Virgo-KAGRA (LVK) ...

A collaboration between humanity’s three gravitational wave detectors have identified a black hole merger event that created ...

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 proposed closing either the LIGO Hanford observatory in WA or its twin in Louisiana.

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...