A nuclear engineer reacts to a simulated U.S. Emergency Alert System nuclear attack scenario, analyzing its realism, ...

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 ...

The Yemen-based Houthi movement has entered the escalating Iran–U.S.–Israel conflict, launching a missile toward Israel and triggering air defense responses and alerts near the sensitive Dimona ...

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 ...