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

Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they ...

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

What can the pH level of the subsurface ocean on Enceladus tell us about finding life there? This is what a recent study ...