A chilling map from the 1980s shows how up to 75% of the US could be wiped out in a nuclear war, with scientists using a ...

Only one (or possibly two) of the missing bombs was fully assembled at the time it was lost. The total number of confirmed ...

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 ...

The United States can no longer be counted on as a voice of caution or nuclear moderation. Long a driver in the effort to prevent nuclear weapons use, reduce nuclear risks, and pursue nuclear arsenal ...

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.

Ryan Chan is a Newsweek reporter based in Hong Kong, where he previously had over a decade of experience at a local newspaper, covering China and current events around the world. His focus is on ...