RENO, Nev. – Scientists charged with ensuring the aging U.S. stockpile of nuclear weapons are good to go — if needed — say they'll start shipping key components to Nevada's desert next year to prepare ...

RENO, Nev. (AP) — Scientists charged with ensuring the aging U.S. stockpile of nuclear weapons are good to go — if needed — say they’ll start shipping key components to Nevada’s desert next year to ...

The rare form of the element found on the Pacific seabed points to its violent birth in colliding stars. By William J. Broad Scientists studying a sample of oceanic crust retrieved from the Pacific ...

Community members who have asked for transparency in a Shipyard cleanup already marked by distrust said the Navy had failed ...

The pockmarked Nevada National Security Site, where more than 900 nuclear blasts were set off during the Cold War, will be host to a new billion-dollar-plus experimental weapons test facility located ...

A shipment of plutonium accumulated from inspection samples collected in support of the International Atomic Energy Agency's safeguards mission has been removed from the agency's laboratory in Austria ...

The United Kingdom's last plutonium reprocessing plant, B205, located in Sellafield in northern England, will shut down by the end of 2020. It will bring an end to the era of plutonium separation in ...

The bad news had been labeled “Top Secret” but it had leaked out. One leak was Colorado’s Senator Edwin C. Johnson, member of the Congressional Joint Committee on Atomic Energy, who unwarily blurted ...