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

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

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

After his recent remarks about resuming nuclear testing, President Trump told "60 Minutes" "we're the only country that doesn ...

US President Donald Trump, during his just-concluded Asia tour, announced that America will resume testing its nuclear weapons. He made the remarks before meeting with Chinese President Xi Jinping.

Rosen said Trump’s declaration was the impetus behind a letter she and her fellow Nevada Democrats in Congress sent to the ...

The state’s senators and Democratic House members sent a letter on Monday asking the administration to promise not to restart ...

Nevada U.S. Senator Catherine Cortez Masto Joins Democrat Colleagues in Condemning Trump Administration’s ‘Illegal’ Effort to ...

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

The No Nuclear Testing Without Approval Act is a response to Trump’s announcement that he had ordered the Pentagon to restart ...

Sandia National Laboratories announced last Thursday it conducted a flight test of the B61-12 nuclear gravity bomb on an F-35 ...