Guo said China, as a “responsible nuclear-weapon state” and a permanent member of the United Nations Security Council, has ...

Experts say there are roughly 12,241 nuclear weapons across the world, with just over 9,600 thought to be operational.

President Donald Trump on Thursday vowed to begin testing US nuclear weapons “on an equal basis” with Russia and China, ...

Trump orders immediate resumption of U.S. nuclear weapons testing to match global programs, citing Russia and China's ...

China has responded to U.S. President Donald Trump ordering the defense department to resume testing nuclear weapons “on an ...

The U.S. voluntarily halted nuclear explosive testing in 1992, though it has the ability to restart tests at a site in Nevada ...

President Trump has ordered the military to “immediately” begin testing nuclear weapons for the first time in more than three ...

Trump's announcement breaks with more than three decades of policy. The last time the United States tested a nuclear weapon ...

Just before meeting with China's Xi Jinping, President Trump announced he had directed the Pentagon to resume testing of nuclear weapons "on an equal basis" with other countries.

Just minutes before he was scheduled to meet President Xi Jinping of China, the president threatened on social media to ...

Trump said several countries, including Russia, China, North Korea, and Pakistan, are conducting nuclear tests, while the US remains the only nation that does not ...

Confusion has surrounded Trump's order that the United States begin testing, particularly if he meant conducting the ...