A Trump administration official said that a remote seismic station in Kazakhstan measured an “explosion” in western China on ...

WASHINGTON — The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and ...

This development comes amid rising tensions between Tehran and Washington. According to a report by Axios citing sources ...

Officials have ruled out earthquakes or mining as the source of a 2.75-magnitude event in 2020 near China's nuclear test site.

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

Remarks by a top administration official appeared to be aimed at dispelling skepticism of its assertions, as President Donald Trump vows to restart U.S. tests.

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for ...

Iranian officials promptly attributed the smoke to reeds catching fire along the adjacent riverbank, ruling out any building explosion. The Parand Fire Department reported that firefighters were on ...

A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.

C ould nuclear bombs be harnessed to help people? As the Cold War raged on in the 1950s, scientists building nuclear weapons began to ponder whether they could be put toward posit ...

At a event in Washington D.C., A U.S. official said a remote earthquake in 2020 was caused by a Chinese nuclear test.

A nuclear engineer examines how visual effects artists interpret the size and power of nuclear explosions. The reaction compares cinematic portrayals with real-world physics, explaining what’s ...