A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

Trump wrote that he had instructed the Department of War to start testing nuclear weapons “on an equal basis” with China and Russia. But those instructions may have been sent to the wrong department.

DUBAI, United Arab Emirates (AP) — President Donald Trump’s comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

After a 4.3 magnitude earthquake hit Khonj, speculation of a secret Iranian nuclear test erupted. We break down the seismic signatures, enrichment levels, and expert analysis to determine if Tehran ...

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 ...

The United Nations took a swipe at President Donald Trump for saying the United States will start “testing our nuclear weapons,” a move that provoked global uncertainty and international outcry. “We ...

This is read by an automated voice. Please report any issues or inconsistencies here. Trump says U.S. will restart nuclear testing, reversing decades of policy since the last test in 1992. Russia, ...