The latest scientific research on nuclear bomb survival distances offers crucial insights into the safest areas to take shelter during such an event, and the various factors that influence survival ...

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 nuclear weapons.

Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe. By William J. Broad President ...

Experts warn that resumption of full nuclear weapons tests is unnecessary and would undermine the United States' efforts to discourage other nations from testing their own nukes. (Tech. Sgt. Draeke ...

A mother and child in Hiroshima a few months after the United States dropped the atomic bomb on Aug. 6, 1945.Credit...Alfred Eisenstaedt/The LIFE Picture Collection/Shutterstock Supported by By ...