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

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

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

The US has confirmed that it has successfully carried out the testing of a B61-12 tactical thermonuclear bomb. This is the first non-nuclear flight test of the B61-12 variant on an F-35 aircraft. The ...

From 1944 to 1988, the US generated more than 100 million gallons of hazardous liquid waste, like chemical and radioactive ...

We asked Professor Paul Bracken, an expert in nuclear strategy, what’s behind the posturing and what test explosions would mean for the world.

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

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

In Christopher Nolan’s Oppenheimer, the father of the atomic bomb grimly predicts that once America splits the atom, others ...

Sandia National Laboratories and the National Nuclear Security Administration conducted a series of B61-12 nuclear gravity bomb flight tests in Nevada in August, validating the weapon’s performance ...

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

MOSCOW — Russia on Tuesday offered to discuss with the United States allegations from Washington that it had carried out ...