A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June 2020.

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

"The jury remains out on whether the June 2020 event was a nuclear test or not. What is certain is that we are in a time of ...

WASHINGTON — The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ending a decades-old moratorium, a senior official said Tuesday.

The possibility of a nuclear explosion is a terrifying thought, but understanding how to respond in the critical first hour could be the key to survival. Though nuclear blasts are often depicted in ...

The Rulison test — conducted at a depth of 8,425 feet — was the deepest subterranean nuclear-bomb detonation conducted in U.S. history.

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

Jay Cowan still worries about the Rulison blast’s proximity to the Colorado River and expresses disbelief at the 107 days that radioactive gas was burned in order to test whether the radionuclides ...

How would a Nuclear Bomb Affect the United States: Current public attention has focused on the possibility of a nuclear weapon attack by terrorists. The RAND corporation conducted an analysis to ...

An estimated 610,680 could be killed if the Russians were to drop the largest nuclear bomb from the USSR. That's according to ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...