Last year, President Donald Trump shocked many people when he instructed the government to resume nuclear testing “on an ...

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

Iran experienced a 4.3-magnitude quake today (March 3), according to the US Geological Survey (USGS). However, given the ...

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

The ongoing conflict between the US and Iran has raised suspicions about potential nuclear tests by the United States, ...

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

While China is expanding its nuclear arsenal at a dramatic pace, Russia and the U.S. are also testing new delivery platforms.

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 ...

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. Photo by Yuri ...

The U.S. Air Force launched a Minuteman III intercontinental ballistic missile from Vandenberg Space Force Base in California ...