Iran has faced suspicion for decades over its nuclear ambitions and whether it’s developing the capability to fire an atomic ...

The nuclear arsenal is one thing DOGE can’t hack — but the risks of Musk’s Department of Energy access are still real.

Scientists are debating multiple options to deal with an asteroid which could hit Earth in 2032 – but one is emerging as the ...

The administration of U.S. President Donald Trump has laid off about 1,200 to 2,000 workers at the Department of Energy, ...

The bomb was then reassembled in about 10 hours at the Qinghai site and prepared for ... Archives show that, after 2003, other Iranian organizations continued to work on nuclear weapons programs with ...

The administration of U.S. President Donald Trump has laid off about 1,200 to 2,000 workers at the Department of Energy, ...

It’s bad enough that North Korea, an implacable enemy of the United States, has the nuclear bomb. To make matters worse, it ...

The U.S. hasn't tested a nuclear weapon in decades, and since the 1990s has used simulations and experiments to verify they're working properly. NPR was granted a rare look at how they do it.

Ensuring shared failsafe protocols is the best way to improve nuclear security in a world where arms control progress has stalled.

David Funk, who oversees work underground leads us in ... That means experiments that simulate conditions inside a nuclear weapon without triggering a nuclear chain reaction.