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

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

The United States has completed a series of major B61-12 tactical nuclear bomb tests, ordered under President Trump as part ...

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

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

Russian officials say they are waiting for an explanation from President Donald Trump about nuclear testing. He hasn't given ...

Experts agreed if the U.S. resumed full nuclear weapons tests, other nations would do the same — giving them a chance to ...

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

While the Charles de Gaulle is the only NATO surface ship equipped to carry nuclear weapons, it does not deploy with the FANU ...

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