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

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

Citizen activism and legislative pressures helped stop US nuclear weapon testing. They will be needed again to protect the ...

Marco Rubio told reporters Wednesday that nuclear testing plans are "on par with what other countries are doing." ...

Donald Trump is pushing to resume testing nuclear weapons, leading Vladimir Putin to do the same. The legacy of nuclear tests is devastating.

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

The Trump administration’s renewed focus on nuclear issues after decades of neglect is welcome. But America is not prepared for a new nuclear test.

The United States will test nuclear weapons like other countries do, President Donald Trump said yesterday, but declined to ...

The sanctions freeze Iranian assets abroad, halt arms deals with Tehran, and penalize any development of Iran’s ballistic ...

President Donald Trump wrote on Truth Social, his social media site, that he had instructed the Department of War (formerly ...

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

In this video, Jeffrey Lewis explains why it is so incredibly difficult to convey the size and destructive force of nuclear ...