In an incredibly rare and interesting encounter, a lioness, hoping to feed her cubs, single-handedly tried to take down an elephant.

One of the youngest, biggest residents at the St. Louis Zoo is preparing to make his public debut — but first, he has to ...

UC San Diego School of Biological Sciences' Shermin de Silva has spent the majority of her scientific career studying ...

After years of debate over the welfare of the animals, the Los Angeles Zoo announced today it will relocate its two remaining ...