The rate of shark bites in Hawaii has been increasing slightly in recent years, but the risk remains extremely low _ roughly 5-in-1 million _ according to new research...

An Ohio zoo has become the repository for the world's largest collection of polar bear poop as researchers work to create a pregnancy test to aid the survival of this threatened species...

A 7-foot sea creature that washed ashore in Southern California has been identified as a hoodwinker sunfish, a recently identified rare species thought to live in the Southern Hemisphere...

Neptune's newest and tiniest moon is probably a piece of a larger one nearby...

Scientists find that astronaut who spent nearly a year in space had his immune system go on high alert...

In what has become an annual Valentine's Day tradition, biologists handed out red felt hearts to African penguins at a San Francisco aquarium...

Harvard scholar Henry Louis Gates, Jr., says he hopes this season of the PBS series 'Finding Your Roots' helps a divided U.S. see how all Americans have unique family mysteries...

DNA testing for dogs has surged in recent years, with over a million dogs tested in little over a decade. DNA testing for dogs has surged in recent years, with more than 1 million dogs tested in littl...

Dolphinaris Arizona says it will close temporarily as a panel of experts investigates potential factors in the death of four dolphins...

Scientists report that a fish appears to recognize itself in a mirror _ and that raises a key question for experts in animal mental prowess...