California-based Oklo Inc. has signed a memorandum of understanding with Korea Hydro & Nuclear Power to collaborate on the development and global deployment of its next-generation nuclear technology.

Scientists are close to creating a nuclear clock—an ultra-accurate clock that uses a low-energy transition in the nucleus of a thorium-229 atom to keep time. Electrical interference makes atomic ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

President Donald Trump on Thursday said he’s ordered the Defense Department to begin testing nuclear weapons “on an equal basis” with other countries, according to a post on his social media platform.

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

Since the successive Israeli and US air strikes on Iran’s nuclear sites in June, much of the fevered and highly politicized public debate has focused on whether the attacks have “obliterated” Tehran’s ...