UNITED NATIONS (AP) — With the U.S., Russia, China and other countries that have nuclear weapons refusing to ratify the ...

Add Yahoo as a preferred source to see more of our stories on Google. It might not have as reverent a name as the Trinity Test or a litany of films made about it. But Project Gnome, a 1961 explosive ...

More global disarmament discussions are encompassing the humanitarian and environmental impacts of the testing and use of ...

Cold War veterans who oversaw nuclear tests have claimed they caused lifelong health problems.

Nuclear bombings and tests cause lasting human and environmental harm; we must heed survivors' warnings and work towards a ...

Exclusive: Tobias Ellwood says he gave MPs inaccurate information in 2018 provided by his department, the MoD ...

The United States has accused China of conducting a covert nuclear explosive test in 2020, a charge that lands at a moment when the last major arms control agreements are fraying. The allegation, ...

The United States government has released fresh intelligence to buttress its allegation that China had conducted "illegal" underground nuclear testing in 2020 near Lop Nur, several US media reported ...

The head of the agency responsible for designing, building, storing and testing the U.S. nuclear arsenal recently gave senior personnel an unusual warning about leaking classified information. The Nov ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Speaker 1: From the opinion pages of the Wall Street Journal, this is Potomac ...

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 ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...