ARDMORE, Okla. (CNN) – A chiropractor in Oklahoma had a special patient with a lot of neck to adjust. Not only does Dr. Joren Whitley work on humans, but he treats animals, too. That’s why he was ...

Why do giraffes have such long necks? A study led by Penn State biologists explores how this trait might have evolved and lends new insight into this iconic question. The reigning hypothesis is that ...

Everything in biology ultimately boils down to food and sex. To survive as an individual, you need food. To survive as a species, you need sex. Not surprisingly, then, the age-old question of why ...

If you've ever wondered why the giraffe has such a long neck, the answer seems clear: it lets them reach succulent leaves atop tall acacia trees in Africa. Only giraffes have direct access to those ...