Autumn Strickland disappears after an evening in downtown Florence, Alabama, and the search accelerates as her last known timeline is pieced together through witness accounts and surveillance.

An otherworldly scene is unfolding at Niagara Falls, as Arctic air courtesy of the polar vortex creates a fascinating mix of ice, steam and running water. "We still have not frozen totally over but ...

The Orange County District Attorney dropped murder charges in a decades-old case tainted by the so-called jailhouse snitch scandal, instead accepting a lesser guilty plea of voluntary manslaughter. A ...