When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop nuclear weapons.

The United States federal government is channeling billions of dollars into keeping existing nuclear plants running, restarting shuttered reactors, and clearing the regulatory path for advanced ...

Add Yahoo as a preferred source to see more of our stories on Google. Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, ...

President Donald Trump is confused. Just moments before he was to meet with China’s President Xi Jinping, he posted a baffling message on his Truth Social site, claiming the U.S. would “immediately” ...

At the upcoming White House meeting, NNSA and DOE officials will be prepared to tell the administration that “there’s not going to be any testing” involving exploding nuclear materials and will seek ...

It's a very worst case scenario - and extremely unlikely - but experts have warned that a key decision in the first few ...

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 ...

Beyond roughly 4 to 5 kilometres, the immediate blast effects weaken significantly. Windows may shatter and some buildings ...

Top energy and nuclear officials in the Trump administration are planning to meet with the White House and National Security Council in the coming days to dissuade President Donald Trump from resuming ...