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

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

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 ...

The military wanted to test the electromagnetic impacts of nuclear weapons in space. In 1962 they lit up the sky.

In addition to highlighting the need for the Radiation Exposure Compensation Act, Dave Crete’s story highlights the dangers of explosive nuclear testing ...

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.

The US is planning an experiment to check the effectiveness of the aging plutonium in its atomic weapons National Public ...