Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

In this video, we explore some of the largest creatures to ever roam the Earth—animals so massive that their size seems almost unbelievable. From the massive blue whale, the largest animal ever known, ...