The post-war international order may be tearing apart at the seams and international law is increasingly looking like a polite fiction, but we did just pass one notable milestone of global peace and stability: As of this month, the world has gone the longest time without a nuclear explosion since the atomic era began more than 80 years ago.

Scientists at Los Alamos National Laboratory say neutrinos could be used as a diagnostic

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re talking about right now are system tests,” Wright said ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

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 ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile. More deadly: Today’s nuclear weapons can be far more ...