North Korea's warning comes after renewed speculation of a meeting between President Trump and North Korean leader Kim Jong ...

The largest submarine in the world, Russia's massive K-329 Belgorod, was designed for special, covert operations and was last ...

The US military was spotted testing its nuclear-capable bomber equipped with what appeared to be a long-range atomic weapon — ...

The inert test units were supported by aircraft generation from Hill Air Force Base in Utah and followed the NNSA’s ...

A Pakistani official told CBS News that the country "will not be the first to resume nuclear tests" in response to President ...

The U.S. has not conducted a nuclear test in over 30 years. Experts say doing one now could make America less safe.

Vladimir Putin has said that Russia has successfully tested an (unarmed) underwater nuclear-torpedo powerful enough to “put ...

Russian leader Vladimir Putin has seen that fear of nuclear escalation restrained support for Ukraine under U.S. President ...

Arguing against more warheads in Europe, top nuclear experts said that the focus should be on strengthening Nato’s existing ...

Plans have been announced to build a nuclear power "ecosystem" that would do everything from job training to ultimately a ...

President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.