(Kevin Dietsch/Getty Images) WASHINGTON — The new head of U.S. Strategic Command, which oversees the country’s nuclear arsenal ... a replacement capability to strike hard and deeply buried ...

UNITED NATIONS--The United Nations chief warned Monday that “humanity ... won’t shoot back because they might accidentally strike a nuclear reactor or highly radioactive waste in storage.” ...

Milley says Tehran would still require several more months to assemble weapon for use, states US military has developed ...

A top Russian security official has declared that the risk of a nuclear war has risen and blasted a German minister for ...

Russian President Vladimir Putin said Saturday he would deploy tactical nuclear weapons in neighbour and ally Belarus.

Putin made the announcement at a time of growing tensions with the West over the Ukraine war and as some Russian commentators ...

Beginning in the 1960s, the United States developed a triad of methods to deliver a nuclear strike on the Soviets: ground-based missiles, submarine-launched missiles and heavy bombers. Although ...

The UN nuclear agency's chief said Wednesday that the situation at Ukraine's Zaporizhzhia power plant "remains perilous" ...

A commercial nuclear battery from City Labs. A Betavoltaic cell is a device that uses a radioactive source of beta particles and a semiconductor p-n junction to generate electricity. Tritium ...

Data is in short supply; while the tragic nuclear strike on Hiroshima saw a firestorm develop, the following strike on Nagasaki did not. The other major point of contention surrounds the longevity ...

The head of the International Atomic Energy Agency Rafael Mariano Grossi has expressed grave concern over shelling at a nuclear power plant in Ukraine. In a statement, Director General IAEA said he is ...

North Korea must be ready to launch nuclear counter strikes at any time to deter war, state media quoted leader Kim Jong Un as saying on Monday, as he accused the United States and South Korea of ...