(Bloomberg) -- US President Donald Trump has said he’s instructed the Defense Department to start testing nuclear weapons “on an equal basis” with rivals such as Russia and China. It’s unclear whether ...

Resuming full testing of nuclear weapons - as President Donald Trump called for last week - would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation's adversaries to ...

President Trump's comments about restarting weapons tests are not likely to lead to mushroom-cloud explosions over the New Mexico desert or seismic shaking underground in Nevada, according to the ...

Minutes before walking into a high-stakes meeting with Chinese President Xi Jinping this past week, President Donald Trump announced what could prove to be a stunning shift in American nuclear policy.

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

The Defense Department wants troops to have new weapons quickly. But testing processes don't include the best ways to do that ...

GYEONGJU, South Korea - President Donald Trump on Thursday morning said he directed the Pentagon to begin testing nuclear weapons “on an equal basis” with Russia and China, an apparent attempt to flex ...

President Donald Trump announced on Thursday, “Because of other countries testing programs, I have instructed the Department of War to start testing our nuclear weapons on an equal basis. That process ...

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...

Mr. Hennigan writes about national security issues for Times Opinion. Hours before meeting President Xi Jinping of China on Thursday, President Trump made a confounding proclamation: He wanted the ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

President Donald Trump has ordered preparations to resume U.S. nuclear weapons testing, citing alleged Russian and Chinese violations. Moscow and Beijing deny conducting explosive nuclear tests but ...