A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June 2020.
Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.
Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...
The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.
US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...
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6 nuclear weapons have been missing for decades. The US military won’t search for them anymore
Key Points and Summary - The U.S. military has suffered dozens of “Broken Arrow” nuclear weapons accidents—events involving lost weapons, accidental releases, or other serious mishaps. -Most were ...
The Cold War left many inglorious legacies. The Runit dome is a good example. From the outside, it looks almost too ...
Hrvoje Tkalčić receives funding from the Australian Research Council. The Australian National University operates and maintains the Warramunga Seismic and Infrasound Facility with funding from the ...
Nuclear weapons tests were once a regular occurrence, but most countries haven’t tested in decades, following the adoption of the Comprehensive Nuclear-Test-Ban Treaty in 1996. Now, that moratorium ...
On January 27, 2026, the editors of the Bulletin of the Atomic Scientists moved the hands of their famous “Doomsday Clock” to 85 seconds to midnight―the closest setting, since the appearance of the ...
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