Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

The 4 to 7 percent increase in background radiation poses problems for sensitive scientific instruments. Geiger counters, ...

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

In the face of such facts, Trump changed his story. He said that Russia and China are conducting secret nuclear tests and ...

Nov. 6 (UPI) --President Donald Trump's calls to ramp up nuclear weapons testing last week have put nuclear watchdogs and world leaders on alert while experts say the United States has little to gain.

WASHINGTON, Oct 30 (Reuters) - President Donald Trump's order for the Defense Department to start testing nuclear weapons could lead to billions of dollars' worth of contracts for a handful of ...

What does Trump’s call for renewed nuclear testing mean for Nevada? President Donald Trump’s call to resume U.S. nuclear weapons testing prompted quick condemnation from some Nevada congressional ...

Brett McGurk is a CNN global affairs analyst who served in senior national security positions under Presidents George W. Bush, Barack Obama, Donald Trump and Joe Biden. In the summer of 2022, I ...