VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say ...

A senior State Department official on Tuesday said the U.S. still is assessing how to implement President Donald Trump's ...

Why Bhumjaithai’s Grip on Power Is More Fragile Than It Looks Prior to his meeting with China’s President Xi Jinping in Busan, South Korea on October 30, United States President Donald Trump wrote ...

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 ...

Nuclear weapons tests were once a regular occurrence, but most countries haven’t tested in decades, following the adoption of the Comprehensive Nuclear-Test-Ban Treaty in 1996. Now, that moratorium ...

A military aide carries a briefcase containing launch codes for nuclear weapons as U.S. President Donald Trump returns to the White House in Washington A military aide carries a briefcase containing ...

Secretary of War Pete Hegseth’s recent announcement that the U.S. will resume testing nuclear weapons has alarmed some nuclear-arms experts. It shouldn’t. President Trump had already announced earlier ...

Humans’ learning about nuclear concepts that led to nuclear energy and nuclear bombs was one of the most important turning points in human history. This represented the first time that humanity ...

Add Yahoo as a preferred source to see more of our stories on Google. The US said it has intelligence that China conducted banned nuclear explosive tests. The nuclear monitoring organization said it ...