Russian President Vladimir Putin flaunted the successful test of the nuclear-capable Poseidon super torpedo, showcasing ...

Arms control experts say the weapon breaks most of the traditional nuclear deterrence and classification rules.

Vladimir Putin says Russia has tested its nuclear-powered Poseidon torpedo, calling it unmatched in global weaponry.

The federal government announced that it would back an effort to build several Westinghouse nuclear reactors, but offered few ...

There will be no surviving a nuclear war. “Nuclear war,” said Pope Benedict XVI, “will have no victors—only victims.” ...

The third and latest version of the M51 has new nuclear warheads as well as improved range, accuracy and capability to ...

The Kremlin claims its troops are constantly hearing foreigners on the frontline. Meanwhile, a UN inquiry has found Russia ...

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear weapons. Yet the site has contended with contamination incidents, work ...

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear ...

China is emerging as a fierce competitor to the US in the race to build small modular reactors and fusion that can help power ...

A new thriller from director Kathryn Bigelow raises key questions about presidential authority, global security and nuclear deterrence as we sit on the brink of another world war.