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

A senior official from the State Department presented new seismic data to bolster the accusation that Beijing may have ...

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

Confusion and ambiguity are dangerous in nuclear brinksmanship. President Donald Trump spread both on Wednesday when he ...

Oct. 14—In the shadow of a federal government shutdown, the site where the first atomic bomb was tested will not be open to the public this year. Located on White Sands Missile Range, the Trinity Site ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

President Donald Trump Thursday sowed confusion among experts with his call for the start of nuclear weapons testing, with some pundits interpreting the announcement as US preparations for a shock ...

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 ...

DUBAI, United Arab Emirates — 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 the ...

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 the bomb, but come as Washington's ...