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.

A thousand feet beneath the desert, the United States conducts experiments to verify that its weapons work. But some fear a ...

New York City has been simulated as the location of a nuclear bomb explosion, with a map showing the catastrophic damage that ...

Given the foregoing, Israel should remain the only country with nuclear weapons in the Middle East, as long as its nuclear ...

An opulent $300 million doomsday bunker complex, to protect ultrarich clients from disasters, has been unveiled by protective design specialists. Set to open in 2026, a Virginia-based company called ...