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 is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ...
Morning Overview on MSN
Which US warplanes can actually carry nuclear weapons?
The United States Air Force maintains a small, tightly controlled fleet of aircraft certified to deliver nuclear weapons, and ...
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.
In the Australian outback, we're listening for nuclear tests—and what we hear matters more than ever
Tires stick to hot asphalt as I drive the Stuart Highway from Alice Springs northward, leaving the MacDonnell Ranges behind.
The Rulison test — conducted at a depth of 8,425 feet — was the deepest subterranean nuclear-bomb detonation conducted in U.S. history.
20hon MSNOpinion
Preventing Armageddon amid fears of a nuclear arms race
The expiration of the New START treaty last week -- long the framework limiting both nations to 1,550 warheads in 700 ...
State Department official says China’s alleged 2020 test was ‘a singular explosion’, confirms US will return to nuclear ...
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