Radioactive materials are found naturally in the Earth. But even so, saying an area is radioactive can conjure up images of ...

Hundreds of probationary employees were terminated Thursday night in the mass Trump administration layoffs. The move prompted ...

Just days earlier, North Korean leader Kim Jong Un vowed to expand his country's nuclear arsenal, currently comprised of roughly 50 nuclear warheads. According to the Stockholm International Peace ...

Those two trends converge in what this report calls the “AI-nuclear nexus.” The authors write that the most critical risks of the AI-nuclear nexus can ...

It’s a pivotal moment for nuclear weapons. Tensions between the United States and Russia, the two major nuclear powers, are high. Longstanding nuclear pacts have crumbled. China, which trails ...

The U.S. hasn't tested a nuclear weapon in decades, and since the 1990s has used simulations and experiments to verify they're working properly. NPR was granted a rare look at how they do it.