Cheetahs are fast. You know this. But which is faster: a cheetah, or a Tyrannosaurus rex? Hosted by: Olivia Gordon Huge ...

Seven cheetah mummies recently discovered in an Arabian desert cave have renewed discussion about reintroduction of the ...

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

The breeding season of the Gentoo penguin in Antarctica has leaped forward by 14 days, sparking concern amongst ...

The big cats, which are now vulnerable in this region, once roamed in lavish herds, the evidence of which can be seen in the ...

These giant felines are the world's fastest land animals. Here's why.

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

Speed shapes how wild cats survive, hunt, and avoid danger, but not all of them rely on the same kind of quickness. Some sprint across open ground, leap through trees, or use short bursts to navigate ...

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 ...

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 them. But she worries that the ...

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 ...