Giraffes have the longest necks of any living animal but scientists can't agree on why. Scientists largely agree that males drove the evolution of long necks to compete for mates. But a new study ...

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.

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CNN — 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 ...

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 ...

(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 ...

Evolutionary theories said giraffes developed their height to get to better eats, but ancestors may have gained the advantage through head-butting battles. By Jack Tamisiea Since the days of Charles ...

Baby giraffes, called calves, are born after a long and arduous 15-month gestation. This video by @youronlysourceofseratonin shows a newborn calf struggling to keep its eyes open and it’s neck upright ...

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 Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Douglas R. Cavener, Penn State (THE CONVERSATION) Everything in biology ultimately ...