The U.S. Navy carried out four scheduled unarmed missile tests of the Trident II D5LE off the coast of Florida last week.

The U.S. and China possess the world's second- and third-largest nuclear arsenals, with 5,177 and 600 warheads, respectively, ...

More than 2,000 nuclear weapons have been tested worldwide to date. The test sites remain contaminated, and many residents are ill. Here is one example from the South Pacific.

America’s Trident D5 missiles represent a bedrock of America’s national defense—meaning that they must occasionally be tested.

India successfully test-fired its nuclear-capable Agni-Prime intermediate-range ballistic missile from a rail-based mobile ...

Videos of Iran's missile tests circulating online highlight Tehran's defiance amid U.S., Israeli strikes and looming ...

Afghanistan's Bagram Air Base is about 1,200 miles from an old Chinese nuclear test range, but controlling the base would ...

Portions of this article were originally published on Feb. 9, 2022. It has been updated with additional information. IDAHO ...

BBC Breakfast talks to nuclear test veterans who are campaigning for recognition from the British government, after suffering ...

Brunswick Nuclear Plant's outdoor warning sirens will be tested on the morning of Oct. 8 for up to three minutes between 10 a ...