A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) In what would be a major shift in a decades-old American policy against global nuclear ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Add Yahoo as a preferred source to see more of our stories on Google. President Trump posted an eyebrow-raising statement on Wednesday night on US nuclear testing. The US hasn't tested a nuclear ...

President Donald Trump speaks during a meeting with business leaders at the U.S. Ambassador's Residence in Tokyo on Oct. 28, 2025 Credit - Andrew Harnik—Getty Images Here's what we know about Trump's ...

Energy Secretary Chris Wright said the testing ordered up in a surprise announcement by President Trump last week would focus on “the other parts” of nuclear weaponry. By Zolan Kanno-Youngs The ...

The United States has not conducted a nuclear weapons test since 1992, and thus there was widespread surprise when President Trump indicated, shortly before a meeting with China’s Xi Jinping, that he ...

Experts warn that Vladamir Putin's claims have not been independently verified. Earlier this week, Russian President Vladimir Putin revealed that his government has finalized testing of a new nuclear ...

Prior to his meeting with China’s President Xi Jinping in Busan, South Korea on October 30, United States President Donald Trump wrote that he has ordered the U.S. military to resume nuclear testing ...

President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as Washington's ...

In what would be a major shift in a decades-old American policy against global nuclear proliferation, President Trump says he has directed the Pentagon to “start testing” U.S. nuclear weapons “on an ...