The Trump administration has proposed closing either the LIGO Hanford observatory in WA or its twin in Louisiana.

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

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 ...

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever recorded, according to new research. Gravitational waves were predicted by ...

An international team of physicists discovered the largest-ever merger of 2 black holes through a phenomenon known as gravitational waves.

That study estimated a dose of radiation for people who lived downwind of Hanford and then considered whether they developed thyroid disease.

The wives of the Pajarito Plateau are said to have paused to assess the changes in their husbands as the men returned late to dinner and supped with murky preoccupation in the weeks leading up to the ...

If black holes weren't terrifying enough, two especially large ones are merging together, experts have discovered.

Eighty years after the U.S. used the atomic bomb on Japan, debates on nuclear weapons remain fraught. In Los Alamos, the ...

From the deserts of New Mexico to missile silos in Montana, eyewitnesses and—more recently—declassified government documents ...

The federal government’s program that gives payments to people sickened by nuclear weapons testing could be reauthorized and expanded.