France has an estimated 290 nuclear warheads, most of which are launched from submarines.

Learn why thousands of soldiers were deliberately exposed to radiation from a nuclear bomb in the Soviet Union, and why other ...

France fired the M51.3 five days after Putin's Kaliningrad nuclear threat. Here's what it means for Europe's new deterrence ...

Get full access to The Daily Beast for $1 Donald Trump previously claimed Russia and China were already testing weapons. Getty The Russian president has ordered his generals to begin testing nuclear ...

An expert on military escalation, Pape warned Sunday that Tehran could carry out a nuclear weapons test as part of an effort to confront President Donald Trump with a major military and political ...

The U.S. energy department’s National Nuclear Security Administration (NNSA) has conducted an underground chemical ...

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North Korea has gained confidence as a nuclear power, having boosted its weapons stockpile and rejected denuclearization ...

Deployable Energy's Unity demonstration reactor has been selected by the US Department of Energy's National Reactor Innovation Center for testing inside the Demonstration of Microreactor Experiments, ...

Seismic activity has increased markedly at Mount Mantap, also known as Mantapsan, since the last test blast there in 2017 ...

Clarity is key on most issues relating to nuclear weapons, and testing them is no exception. America’s adversaries are carrying out low-level nuclear tests and gaining an advantage over the United ...

Discussing nuclear weapons earlier this month, Chinese Foreign Ministry spokesperson Mao Ning said the nation “is committed to peaceful development, follows a policy of ‘no first use’ of nuclear ...