Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Before you fly, see which airlines have the worst baggage loss rates worldwide - plus which carriers keep luggage safest, ...

On a Monday in March 2012, detectives with the Moore, Oklahoma police department were called to a bloody scene at a Super 8 Motel. What they found set them on a 13-year manhunt for a sex offender.

High-tech help from the sky saved a missing man with dementia in Sugar Land. Police used thermal imaging technology on drones ...

Germany’s famous river-surfing wave has disappeared, leaving Bavarian surfers high and dry for the first time in decades. back.

As the holidays approach, I see Facebook posts with crowds of close and extended family members joyfully gathered around the ...

It takes painstaking leg work - grieving mothers knocking door to door with photos and bereft wives scouring mass graves for ...

The family of 5-year-old Kinsleigh Welty is suing Indiana Department of Child Services for failing to catch the neglect that ...

Losing your luggage is one of those travel nightmares no one wants to experience. You step off the plane, make your way to ...

The marketing of higher-quality pet food suggests that it’s healthier. But there isn’t much evidence to suggest refrigerated, ...

How could an entire lake have disappeared so suddenly? The weather had been placid. No earthquake had occurred that might ...