Writing from Marine One, which was gliding toward the airport in South Korea where he was due to meet Xi, Trump instructed ...

Experts say Trump's direction for the U.S. to resume nuclear testing is dangerous to populations and would open a door for adversaries to sharpen their weapons.

President Trump’s call to resume nuclear weapons testing is not just a break with decades of restraint—it is a dangerous step ...

The strikes, which were the latest in Russia’s almost daily attacks on the Ukrainian power grid as bitter winter temperatures approach, killed at least six people, including a 7-year-old girl, ...

Minutes before meeting with Chinese leader Xi Jinping, Trump posted about nuclear testing on social media, creating confusion ...

If there was something of an emerging consensus, it was that Trump has been willing to confront China on trade and economic ...

President Trump has announced plans to begin testing nuclear weapons, raising fears of a new arms race as Russia and China ...

President Donald Trump’s comments Thursday suggesting the United States will restart its testing of nuclear weapons upends ...