Trump’s message at the end of last month is that the U.S. is no longer willing to ignore obvious dangers, especially if China ...

The trial included first-of-its-kind thermal preconditioning of the bomb before carriage on an F-35 fighter jet.

The confusion rattled allies and arms control experts alike. Energy Secretary Chris Wright soon intervened to clarify that ...

By John Fairlamb, Ph.D., Defense Opinion Writer. Restarting explosive nuclear weapons testing, or even for political reasons ...

The Energy Department and Air Force in August successfully carried out the first tests dropping unarmed B61-12 nuclear ...

The Minuteman III intercontinental ballistic missile will take flight from Vandenberg Space Force Base in California.

While the significance of testing nuclear weapons dwindled over 60 years ago, the terrifying circumstances that brought that ...

Experts have warned the U. S. could be on the brink of a nuclear war after decades of simmering tension with Russia have ...

America’s adversaries are carrying out low-level nuclear tests and gaining an advantage over the United States in modernizing their arsenals, according to President Donald Trump and CIA Director John ...

Speaking at a meeting with his Security Council, Putin reaffirmed his earlier statement that Moscow will only restart nuclear tests if the U.S. does so first.

As Moscow threatens to launch nuclear warheads against NATO states helping Ukraine fend off the Russian invaders, the world ...