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Add Yahoo as a preferred source to see more of our stories on Google. A female giraffe browsing. Everything in biology ultimately boils down to food and sex. To survive as an individual you need food.

A Penn State researcher has been trying to get to the bottom of the age-old question of why giraffes have long necks. Ed Reschke Getty Images Editor’s note: The Focus on Research column highlights ...

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 ...

The tallest land animal, the lanky giraffe, is perhaps the first thing you think of when you picture the African savanna. With their long legs and necks, giraffes’ graceful silhouettes have featured ...

(WHTM) — Pennsylvania researchers may have answered the age-old question of “does size matter” – well at least for the reason on why giraffes have long necks. A “sex-for-necks” theory has long ...

What's with the long neck? While a common hypothesis has been that competition among male giraffes affected the length of their necks in evolution, a new publication has suggested otherwise. This work ...

A strange early relative of the giraffe was perfectly adapted for some serious headbutting 17 million years ago, according to new research. The oddball giraffoid didn't have the signature long neck of ...