ABOARD AIR FORCE ONE — President Donald Trump declined to say Friday whether he plans to resume underground nuclear ...

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

President Donald Trump and Chinese President Xi Jinping met for their first face-to-face talks in six years in South Korea.

CNN’s Erin Burnett talks to Major General Randy Manner, who oversaw America’s policies for safeguarding and inspecting its ...

But President Donald Trump ’s back-to-back announcements about nuclear testing and nuclear submarines on Oct. 29 during his ...

Dmitri S. Peskov, a Kremlin spokesman, told Russian news agencies that recent drone and missile tests were not nuclear ...

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

U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap ...

Trump said the U.S. will test nuclear weapons “on an equal basis” with Russia and China. None of the three countries has ...

Questions have arisen after Russian President Vladimir Putin said his country tested two nuclear-capable weapons this week.

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

The announcement via social media post came after Russia recently said it conducted multiple nuclear weapons tests.