In 1957, scientists detonated a nuclear bomb under the Nevada desert — and launched a steel manhole cover at unimaginable ...

In 1962, the United States detonated a nuclear weapon in space during a Cold War experiment called Starfish Prime. The blast ...

A fire and an explosion struck a centrifuge production plant above Iran's underground Natanz nuclear enrichment facility early Thursday, two U.S. analysts said, one of the most tightly guarded sites ...

On August 6, 1945, the US bomber Enola Gay dropped the first atomic bomb ever used in military combat on the Japanese city of ...

Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop weapons. The country’s ...

Return to Fukushima' and 'Nuclear Is Not The Solution'—lay out the perils and ugly history of nuclear power.

Researchers conclude the nuclear-powered cruise missile almost certainly uses a direct-cycle engine that spews radioactive ...

Add Yahoo as a preferred source to see more of our stories on Google. Gen. Stephen Whiting, the commander of U.S. Space Command, recently made waves when he publicly discussed a major threat that ...