How do animal behavior researchers feel about the feelings of animals? A new survey helps to answer that question.

A group of students tried to release cute and seemingly harmless little mammals in Colorado — and the critters turned out to be bolder than they bargained for, video shows. The students from Lamar ...

Anglerfish have invisible fangs, narwhal tusks are extra-long canines, and more facts from the weird and wonderful study of ...

Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a ...

Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300. The most recent ...

With its remarkable size and age, Pando dwarfs its fellow inhabitants, holding the potential to be not only the oldest living ...