France has an estimated 290 nuclear warheads, most of which are launched from submarines.

Learn why thousands of soldiers were deliberately exposed to radiation from a nuclear bomb in the Soviet Union, and why other ...

Trump wrote that he had instructed the Department of War to start testing nuclear weapons "on an equal basis" with China and Russia. But those instructions may have been sent to the wrong department.

President Donald Trump's order late Wednesday night for the U.S. to resume nuclear weapons tests has confounded officials and drawn scrutiny from nuclear experts over the safety, feasibility and ...

President 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 rivals ...

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UNITED NATIONS — With the U.S., Russia, China and other countries that have nuclear weapons refusing to ratify the treaty that bans atomic testing, the United Nations warned on Monday that any new ...

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 ...