Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Scientists from around the world gathered in Hiroshima in November with the aim of charting a path toward a world free of ...

ABSARD, Iran (AP) — State television says an Iranian scientist was killed in a targeted attack killed in Absard, a small city just east of the capital, Tehran. State TV says the attack on the ...

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

In the middle of the Pacific, a concrete dome the size of a football field holds the toxic legacy of Cold War nuclear testing ...

Airports, nuclear power stations, industrial and research sites, or even your own garden – there are many places that need to be protected against unauthorized access, and often protection is required ...

Scientists have detected what they described as "unusually high" levels of a radioactive substance called iodine-129 in the ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the ...