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

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

The United States Air Force maintains a small, tightly controlled fleet of aircraft certified to deliver nuclear weapons, and ...

The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ...

China is on course to have more than 1,000 nuclear warheads in the next few years, according to U.S. intelligence estimates.

A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.

State Department official says China’s alleged 2020 test was ‘a singular explosion’, confirms US will return to nuclear ...

The United States is to resume nuclear weapons testing “immediately”, Donald Trump has announced, raising fears of renewed proliferation between the world’s two biggest stockpiles of atomic weaponry.

It is almost inevitable that a new strategic nuclear arms race will be beginning or is underway. With the expiration of the ...

The expiration of the New START treaty last week -- long the framework limiting both nations to 1,550 warheads in 700 ...

The Rulison test — conducted at a depth of 8,425 feet — was the deepest subterranean nuclear-bomb detonation conducted in U.S. history.

February 12, 2026: For at least six years, China has been testing 4th Generation nuclear weapons. First Generation was fission atomic bombs using uranium-235 or plutonium-239. These were the bombs ...