Add Yahoo as a preferred source to see more of our stories on Google. A military installation and Colorado’s largest city are included on a recent report naming potential first-strike nuclear targets ...

The head of the United Nations’ nuclear watchdog warned Wednesday that a projectile strike near Iran’s Bushehr nuclear power plant risked crossing the "reddest line" of nuclear safety, as fighting ...

A military installation and Colorado’s largest city are included on a recent report naming potential first-strike nuclear targets across the U.S. The report includes a mix of both population centers ...

A military installation and Colorado’s largest city are included on a recent report naming potential first-strike nuclear targets across the U.S. The city of Denver and North American Aerospace ...