Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United ...

Hiroshima, Japan — Koko Kondo was returning from the Vatican, where she had sat beside Pope Leo XIV and delivered the closing ...

There are several ways to build a nuclear weapon. This videographic shows the process used to make a bomb with enriched ...

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

All nuclear-armed countries need to ensure that their arsenals can devastate as they’re expected to, so testing continues -- just not in a mushroom-cloud sort of way.

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

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

As per the reports released by the lab, the test was conducted from August 19 to August 21 at the Tonopah Test Range in ...

Vladimir Putin is quietly amassing an arsenal within Russia's military machine, designed not to win a war in Europe, but to ...

Iran’s accelerating uranium enrichment has intensified global alarm, especially after U.S. strikes on Natanz, Isfahan, and ...

There are several ways to build a nuclear weapon. This videographic shows the process used to make a bomb with enriched ...