A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

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 ...

Experts warn that resumption of full nuclear weapons tests is unnecessary and would undermine the United States' efforts to discourage other nations from testing their own nukes. (Tech. Sgt. Draeke ...

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for a broader nuclear weapons agreement including both China and Russia. The ...

US intelligence agencies believe China is developing a “new generation” of nuclear weapons — with Beijing having reportedly conducted at least one undisclosed explosive test already. China’s plan to ...