People throughout the Canadian province of Ontario awoke Sunday to a cellphone alert warning them of an “incident” at a nuclear plant just east of Toronto — only to later be told the message was a ...

People throughout the Canadian province of Ontario awoke to an emergency alert warning of an “incident” at a nuclear plant near Toronto, only to be told later that the message was a mistake. The ...

From the Department of Homeland Security came notice in the United States of a "heightened threat environment." Hours later, the State Department blasted out a “worldwide caution security alert” ...

Pakistan is reportedly developing an intercontinental ballistic missile (ICBM) with the capability to reach the United States. An ICBM typically has a range greater than 5,500km and is designed to ...

Editor's Note: This page is a summary of news on the U.S. strikes on Iran's nuclear sites for Sunday, June 22. For the latest news, view our story for Monday, June 23. Major U.S. cities from New York ...