Reindeer biology is super weird and new research helps explain why

A Christmas message to the evangelical church — and the rest of us

The "Doctor Who" Christmas specials are a glorious new start, yet annoyingly hold onto the past

"It was grueling": "The Boys in the Boat" director George Clooney and star Callum Turner on rowing

Could taking cod liver oil every day actually make me a happier person?

"Incorrectly boarded": Spirit Airlines placed unaccompanied 6-year-old on wrong holiday flight

As "You've Got Mail" turns 25, here's what I sorely missed on a walking tour of its NYC locations

Treacherous Christmas blizzard conditions expected in the Plains and Midwest

How 3,000-year-old Babylonian tablets help scientists unravel one of the weirdest mysteries in space