President Trump said Wednesday he's allowing South Korea to build a nuclear-powered submarine in Philadelphia.

Donald Trump has said he has given South Korea permission to build nuclear-powered submarines in Philadelphia, in an announcement that could rattle China as the US president prepares to meet Xi Jinping.

Putin announced successful Poseidon nuclear drone testing as President Donald Trump urged Russia to end the Ukraine war instead of testing missiles on Monday.

The Russian military claims to have flown its Burevestnik nuclear-powered cruise missile 8,700 miles over 15 hours.

UNITED NATIONS (AP) — The head of the U.N. nuclear watchdog told The Associated Press on Wednesday that Iran does not appear to be actively enriching uranium but that the agency has recently detected renewed movement at the country’s nuclear sites.

The idea that nuclear weapons have long attracted extraterrestrials is ingrained in UFO mythology. Now, researchers found a surprising link.

NextEra Energy says Google has signed a 25-year agreement to buy power from Iowa’s only nuclear energy plant, which the Florida-based utility is seeking to restart in eastern Iowa. NextEra says the Duane Arnold plant in Palo near Cedar Rapids should be operational by the first quarter of 2029,

A roadmap calls for legislation and financial incentives in California for the nascent fusion industry. But is it worth the effort and expense?