Add Yahoo as a preferred source to see more of our stories on Google. MOSCOW (Reuters) - Russia said that a U.S. subcritical experiment aimed at giving data on the behaviour of the materials used in ...

The NNSA claims that the current and previous 33 subcritical experiments were consistent with the Comprehensive Nuclear-Test-Ban Treaty NEW YORK, May 18. /TASS/. The United States conducted a ...

The underground laboratory in Nevada where the U.S. conducts nuclear subcritical experiments is riddled with faults. Researchers have not confirmed whether any of these faults are active and could ...

The underground laboratory in Nevada where the U.S. conducts nuclear subcritical experiments is riddled with faults.

Nevada Democrats are pushing for more detail into Donald Trump’s call to resume nuclear testing as members of the president’s administration say publicly that explosive testing is unlikely. Sens.

The U.S. conducts some of its most sensitive nuclear weapons research in a laboratory deep underground in Nevada. NPR was recently given a tour. (National Nuclear Security Administration/Nevada ...

The United States maintains an arsenal of thousands of nuclear weapons, but it hasn't tested one in decades. Instead, the U.S. is using simulations and experiments to see if the nukes still work.

Apr. 14—It's been almost 80 years since the first atomic bomb was detonated, and scientists say there's still much to learn about how nuclear devices function as they reach the point of exploding. The ...

Hours before his October 30 meeting with Xi Jinping, Donald Trump announced that he had instructed the US department of war to “start testing nuclear weapons on an equal basis” immediately. He ...

MOSCOW (Reuters) - Russia said that a U.S. subcritical experiment aimed at giving data on the behaviour of the materials used in nuclear warheads did not violate the Comprehensive Nuclear Test Ban ...