The National Nuclear Security Administration (NNSA) said it completed ‘Diamond stamping' of the new B61-13 nuclear bomb, ...

The government acknowledges downwinders throughout Utah, Idaho and New Mexico, as well as parts of Arizona, Nevada and ...

As the U.S. marks its 250th anniversary, the National Atomic Testing Museum in Las Vegas highlights Nevada’s central role in Cold War nuclear testing.

China's first such test since 2024 took place amid warnings from Australia and New Zealand.

Navy successfully conducted the test launch of a strategic missile by a submarine on July 6, 2026. Photo: Xinhua. At 12:01 pm ...

China has repeatedly called out the AUKUS nuclear submarine deal between Australia, the U.S. and the U.K. as violating the ...

NNSA to unveil an AI-designed nuclear test flight vehicle on the National Mall, touting a faster, cheaper path to advancing U.S. deterrence capabilities amid Chinese competition.

China's military test-launched a long-range ballistic missile from a nuclear-powered submarine in the South Pacific, drawing ...

VIENNA (Reuters) - Two months after what is widely believed to have been a nuclear test by North Korea, the radioactive particles to prove it have yet to be detected, suggesting the communist state is ...

Although the 1967 Outer Space Treaty bans nuclear weapons in space, there’s currently no way to verify that satellites aren’t ...