How does an ecosystem distribute its energy across body sizes? A new study suggests the answer depends on where you are—and ...

Visitors to San Francisco’s famous Pier 39 are accustomed to loud barking sea lions piled on floating docks. But one huge ...

When thinking of incredible animals, the gorilla and wolf may be two that come to mind. After all, the world’s largest ...

Male primates may be larger than females partly because of pressure from rival groups, not just competition with males inside ...

Let’s talk about the elephant in the room, except in this case, the elephant is a tree stump and the room is a specially ...

Some animals look ordinary from a car window, a trail curve, or a backyard fence. Until they move in close and scale shifts ...

Giant prehistoric insects may not have depended on high oxygen levels after all. Scientists now think something else must ...

Some octopuses that lived over 72 million years ago were as long as whales. These huge predators may have been the largest invertebrates ever.

A county commissioner has agreed to visit neighboring animal shelters to compare facilities and practices. Advocates are calling for a trap-neuter-vaccinate-release program to humanely control feral ...

From fish and turtles, to hippos and crocodiles, about 43% of all known large freshwater animal species have been deliberately introduced into ecosystems outside their native ranges, a recent study ...

The world’s largest-known group of chimpanzees recently burst into a lethal conflict. Much like in a civil war, the group fractured into two. Then one faction began killing their former group mates on ...