US wants Beijing to join a revised nuclear weapons treaty after expiration of a previous accord between US and Russia.

WEST PALM BEACH, Fla. — 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 ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a shallow concavity in the sand, and killed no one that we ...

Yet January 14th marked the longest period humankind has gone without one or another part of the whole exploding one of these deadly weapons, stretching back to the last North Korean test in September, 2017. All other nuclear armed states conducted their last nuclear tests between 1990 and 1998 when Pakistan ceased its nuclear testing.