A newly identified asteroid, measuring between 40 and 100 metres wide, has been placed at the top of the asteroid risk list.

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

China is building a large-scale laser-ignited nuclear fusion research facility in Mianyang to enhance both nuclear weapons ...

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 ...

WASHINGTON WAS abuzz on February 14th with news of a mysterious Russian space weapon. Mike Turner, chairman of the House ...