The two lawmakers questioned the necessity of the nuclear weapons agency's plutonium pit strategy in a letter exclusively ...

In June, the U.S. bombed key Iranian nuclear sites. Then came increased activity somewhere else, the documentary 'Strike on Iran' reports in forensic detail.

The U.S. president can order a nuclear launch without consulting anyone, including Congress, and U.S. nuclear weapons have ...

Iran reportedly studied a highly advanced “fourth-generation” nuclear weapon based on pure fusion, a theoretical technology ...

The Tsar Bomba's explosion was unparalleled in power. With a 50 megaton capacity, this nuclear test was estimated to be 3,800 times the strength of the Hiroshima atomic bomb. And although short video ...

The TV-8 was meant to be an amphibious tank with a 90mm main gun, powered by an onboard nuclear reactor, designed and built ...

VIENNA -- In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear ...

On Aug. 9, 1945, 6-year-old Chiyoko Motomura was playing on a veranda at her family’s Nagasaki, Japan, home. Her mother, aunt ...

At spy agency award ceremony, David Barnea says Islamic Republic will break out to bomb 'as soon as it is allowed,' says ...

TOKYO -- Japan's position of adhering to its non-nuclear principles remains unchanged, the top government spokesperson stated on Friday, after local media outlets reported that an undisclosed source ...

HIROSHIMA—A family here has achieved closure over the death of a loved one killed 80 years ago in the atomic bombing through ...