During one very unusual Cold War drill, a Soviet Su-7 Fitter attack jet delivered a live tactical nuclear weapon in an end-to ...

Add Yahoo as a preferred source to see more of our stories on Google. People perform for North Korean leader Kim Jong Un during a celebration for nuclear scientists and engineers who contributed to a ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

Key Points and Summary - President Trump’s Oct. 29, 2025 call to resume U.S. nuclear testing threatens a 30-year global pause and underscores a wider arms-control breakdown. -With INF and Open Skies ...

U.S. Army drone operators have successfully tested a new bunker-busting bomb designed for delivery via expendable low-cost ...

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 ...

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 ...

Russian Foreign Minister Sergey Lavrov confirmed Saturday the Kremlin is working on proposals for nuclear weapons testing following through on strongman Vladimir Putin’s orders, state media reported.

Senate Democrats want to curb President Donald Trump’s ability to unilaterally resume nuclear testing, as the president suggested the U.S. would do on an "equal basis" with Russia and China moving ...

North Korea says its weapons tests this week involved various new systems, including ballistic missiles armed with cluster-bomb warheads.

The Pentagon wants to get troops new weapons faster, but its testing isn't following best practices, according to a new government watchdog report. Current policies have often focused on looking for ...

U.S. President Donald Trump with Chinese President Xi Jinping. China's nuclear expansion is on a trajectory to soon rival America's arsenal, the authors of this op-ed write. (AP/Shutterstock) In ...