An atomic test that took place on March 23, 1955, at the Nevada Test Site. In the 1950s, nuclear weapons were regularly ...

If told that the Nevada test site cannot be made ready inside a year, the President may order the above-ground testing of a nuclear weapon—an action prohibited by the aforementioned 1963 Test ...

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.

On this day 74 years ago, nuclear testing kicked off at the Nevada Test Site, just 65 miles north of Las Vegas.

Dave Crete’s story highlights the dangers of explosive nuclear testing (“Veteran telling the story of hidden health risks at Nevada Test Site,” Jan. 5). However, today, the consequences of ...

As Trump takes office, issues of arms control, the U.S. arsenal and weapons testing will be on the radar for many nuclear weapons researchers.

A group of journalists were allowed to tour a weapons laboratory deep underground in Frenchman Flat, Nevada. NPR's science correspondent Geoff Brumfiel was among them.

BRUMFIEL: The world's major nuclear powers haven't actually tested weapons in decades ... are conducted underground at the former Nevada test site. BRUMFIEL: ...Where the nuclear tests used ...

argued in a thread on X-formerly-Twitter that the "US must be ready to test nuclear weapons at the Nevada National Security Site within 3-6 months of being ordered to conduct a nuclear explosive test.