The cheetah, the fastest animal on land, is running out of time ,and passionate volunteers are stepping up to change that. At ...

Cheetahs sprint faster than any land animal, yet tire quickly, while ostriches run slower but can endure for miles. Which ...

CAPE TOWN, South Africa (AP) — For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, hoping conservationists never have to use ...

When considering the fastest animals on Earth, size seems like it should matter. Yet the cheetah, weighing around 50 ...