Testing of a £50m ultrasound system designed to stop fish being sucked into the cooling pipes of Britain's new nuclear power station has gone "really well". Engineers working on Hinkley Point C, based ...

In 1961, the Soviet Union detonated the largest nuclear weapon ever built, a test so powerful it sent shockwaves around the planet and shattered windows hundreds of miles away. This video explains why ...

The ACP100 small modular reactor demonstration project, under construction at the Changjiang site on China's island province of Hainan, successfully passed its non-nuclear turbine test run on the ...

In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global nuclear arms ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global ...

A Lockheed Martin F-35A stealth fighter from the US Air Force (USAF) test dropped multiple inert versions of a nuclear bomb in August. The USA’s Sandia National Laboratories, a Honeywell subsidiary ...

Was President Trump’s recent directive to resume U.S. nuclear testing — after a hiatus of 33 years — an actual policy decision? Or was it a political stunt to project toughness? His surprise ...

MAJURO, MARSHALL ISLANDS — Lemeyo Abon learned about snow from the movies played on projectors by visiting American sailors. But living on Rongelap — a remote tropical atoll in the central Pacific ...

Russian President Vladimir Putin says his country will explore the possibility of carrying out fresh nuclear tests after US President Donald Trump said last week that Washington would begin nuclear ...

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. military will launch an unarmed nuclear missile across the Pacific Ocean overnight Nov. 4, in a pre-planned firing that ...

President Trump's comments about restarting weapons tests are not likely to lead to mushroom-cloud explosions over the New Mexico desert or seismic shaking underground in Nevada, according to the ...