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 ...

Giraffes have the longest necks of any living animal today, but scientists debated why for over a century. A new study may finally have the answer.

Although male and female giraffes have the same body proportions at birth, they are significantly different as they reach sexual maturity. Females have proportionally longer necks and longer bodies ...

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 ...

Those impossibly long legs that make giraffes look like they’re walking on stilts aren’t just architectural supports for a tall body. Scientists have discovered they’re actually energy-saving devices ...

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 ...

Giraffe ancestors had shorter necks. Why that changed so drastically over their evolution has stirred a surprising amount of debate since the time of Charles Darwin. While a recent theory suggests ...

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 ...

Giraffes are one of the world's most distinct and well-loved creatures, always thought to be one species. But now scientists at the International Union for Conservation of Nature say we can welcome ...

(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 ...

Editor’s note: The Focus on Research column highlights different research projects and topics being explored at Penn State. The following originally appeared on The Conversation. Everything in biology ...