Nuclear energy is now championed by liberal Democrats and environmentalists, who led anti-nuclear protests and rallies across the United States 50 years ago. The carbon-free power source was long controversial,

The mystique of nuclear-powered submarines has been captured by at least half a dozen popular Hollywood films. Some have centered on the drama of undersea warfare and the risk of global nuclear apocalypse should the nuclear-tipped missiles aboard most of ...

Using the five megawatt reactor would mean US forces could operate without fear that an enemy might cut fuel supplies.

Iran’s Supreme Leader, Ali Khamenei, has accused the United States of acting irrationally and interfering in his country’s internal affairs, as fresh indirect nuclear talks between Tehran and Washington commenced in Geneva on Tuesday.

Three major nuclear reactor accidents—Three Mile Island (1979 in the United States), Chernobyl (1986 in Ukraine, then part of the Soviet Union), and Fukushima Dai-ichi (2011 in Japan)—significantly dampened global nuclear power development over the ...

For the last 16 years, the US has not had any nuclear nonproliferation policies. Henry Sokolski in this op-ed argues why that needs to change.

Under a proposed nuclear deal with the United States, Saudi Arabia could gain uranium‑enrichment capabilities and come closer to developing a nuclear weapon — prompting a nuclear arms race in West Asia amid surging US‑Iran tensions.

Confusion and ambiguity are dangerous in nuclear brinksmanship. President Donald Trump spread both on Wednesday when he posted on Truth Social an error-filled and unclear order for the U.S. to “immediately” resume nuclear weapons tests. Trump’s message was sent just before his meeting with Chinese President Xi Jinping in Busan, South Korea.

A small nuclear test reactor arrived in Utah aboard U.S. military aircraft. It won’t power homes, but state and federal leaders say it signals a new chapter for Utah’s energy future. Here’s what to know.

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was the first clarity from the Trump administration since ...

Workers monitor the Kazakhstan tokamak for material testing, a circular machine in a large white room. The Kazakhstan tokamak for material testing generated its first plasma in 2019. Credit: National Nuclear Center of the Republic of Kazakhstan Since the ...