Rock wider than football pitch could have devastating impact if it hits our planet – which, according to Nasa scientists, is ...

The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history.

In an interview last week, President Trump called Kim Jong Un a "smart guy" and said he would reach out to the North Korean ...

A thousand feet beneath the desert, the United States conducts experiments to verify that its weapons work. But some fear a ...

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.

The number of Chinese operational nuclear warheads has increased by more than 100 to over 600, the Pentagon reported.

A program to compensate uranium miners and people who lived downwind of nuclear bomb testing then developed certain cancers ...

Its nuclear programme is a rare area where Iran might claim to retain the initiative. Late last year Iran was producing ...

The Chinese AI firm’s new model is rattling the tech industry and the stock market. Here’s some of the smart commentary on ...

SINGAPORE (Reuters) - China appears to be building a large laser-ignited fusion research centre in the southwestern city of Mianyang, experts at two analytical organisations say, a development that ...

An ally of newly-minted president Donald Trump's is arguing that the United States should resume nuclear weapons testing to ...