A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...

The baby boom is a direct result of breeding recommendations from the Association of Zoos and Aquariums (AZA).

One of the most attractive critters at the zoo splashes through frigid waters: polar bears, the beauties of the Arctic Circle ...

The 13-year-old polar bear, named Kali — pronounced Cull-ee — moved from the Toledo Zoo to Detroit Zoo, where he will share a ...

Wondering about the most dangerous birds on Earth? We've compiled this list of the Top 20 scariest birds — some that have even attacked people.

Nate Heygi: This is Karyn Anderson. She’s a primate behavioral ecologist at the University of Toronto. She studies same-sex relationships in the animal kingdom. And she says, first off, there are ...

Larger penis size influences female attraction and male rival threat perception, highlighting how sexual and competitive pressures together shaped human sexual evolution.

Singapore Zoo, Night Safari, River Wonders, Bird Paradise and Rainforest Wild Asia – around 50 species of animal babies are listed as threatened under the International Union for the Conservation of ...

Seeing Was Believing While preparing to write this column, I reviewed a collection of GLBT news items and stories, and I was ...

This week’s best wildlife photographs from around the world ...

T ermites are the descendants of cockroaches, and have undergone significant genetic change to live in vast colonies where breeding is restricted to a single pair. A study of the genetic path they ...

Hollywood has found its newest animal bogeyman – but why is chimp-related violence a particularly American fascination?