On Tuesday, the Texas Department of Public Safety (DPS) marked National AMBER Alert Day by highlighting the tool that has ...

The U.S. Geological Survey was still trying to unravel how an alert was sent Thursday morning for a nonexistent 5.9 earthquake outside Dayton, Nevada. A quake of that size wouldn't be implausible.

A Purple Alert was issued for Joseph Cheatham, missing from his Tallahassee home. He was found dead in his car Dec. 2 in a parking lot. Here's what a Purple Alert is and how it differs from a Silver ...