What are they doing there? And what’s the deal with that clunky Individual Neutral Athletes phrase? The story of Russia at ...

President Donald Trump removed a video clip he shared last night on his Truth Social account that depicted former President ...

NuScale Power's stock had some serious momentum behind it.

Friday’s talks between US and Iranian diplomats in Oman wrapped up with no agreement on anything, and none even remotely in ...

Dave Hendricks of Idaho Falls spent his entire 35-year career working in the Idaho desert at Idaho National Laboratory. It’s ...

The U.S. faced two very different nuclear challenges across two continents Friday. For the first time since last year’s war ...

EXCLUSIVE: CNN and Nat Geo are teaming up for their latest international series, Disaster: The Chernobyl Meltdown.

Since the US bombed Iran's key nuclear sites last year, analysts say work has increased at a secret underground facility that could be used to restart Tehran's nuclear program.

Top U.S. nuclear official accuses China of conducting a secret nuclear test in 2020 and confirms plans to restart U.S.

But beneath these visible shifts lies something less discussed and more dangerous: the slow collapse of nuclear stability. For much of the Cold War, people were terrified that a world with nuclear ...

The Kremlin says Russian and U.S. negotiators have discussed the expiration of their last remaining nuclear arms pact.

Without the New START treaty, which caps the number of deployed nuclear warheads at 1,550 on each side, there will be no ...