(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 ...

Giraffes’ genes tell a not-so-tall tale about growing necks to great lengths. Tweaks to genes important for development may account for both the giraffe’s stature and turbocharged cardiovascular ...

WASHINGTON (Reuters) - Fossils unearthed in China of a forerunner of the modern giraffe are offering insight into the early evolution of this mammal's trademark long neck, driven not only by the ...

In further proof that size matters, the giraffe likely developed a long neck so males could battle each other for mates. If you've ever seen a male giraffe whip its foes, you'll know the neck can be ...

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 ...

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 ...

Since the days of Darwin and Lamarck, the length of a giraffe’s neck has been a great evolutionary conundrum. While several hypotheses surrounding this unique feature have been proposed over the years ...

Why the long neck, you ask? Several genetic clues from the giraffe and its relative may provide insight on how the animals developed their exceptional height, a new study revealed. Considered as the ...