The U.S. Department of State issued a warning to all Americans, telling them to be cautious if they're going overseas. If you ...

Emergency alert sounds will simultaneously impact cellphones, radios and televisions across the United States on Wednesday — but don’t worry, it’s just a test.

The alert said the ongoing hostilities between US and Iran could inspire cyberattacks, retaliatory violence, and homegrown ...

Maximum alert in the United States for a devastating 300-meter megatsunami that could devastate the entire West Coast. Experts sound the alarm over potential disaster. AUSTIN CALDWELL.

Democratic Leaders in Massachusetts said there is growing uncertainty over the possiblity of an escalating military conflict ...