This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

Quick Take Preserving the northern white rhino now requires overcoming functional extinction, as there are only two females ...

Pollution is one of the biggest problems facing planet Earth, a consequence of poor practices and decisions made by humankind ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Two wombs, a forked penis, and giving birth through the nose. These are just a few of the bizarre stories circulating about ...

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

What are some of the species we’re seeing in the illegal wildlife trade today? And what are we doing to combat it?

Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...