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 ...

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 ...

Giraffes are a beautiful and powerful example of what adaptive evolution can achieve. However, in recent years they have attained notoriety for a completely different reason: it has been suggested ...

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.

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 ...

(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 ...