When survival depends on split-second decisions, speed is everything. From avoiding predators to catching prey, the ability to move fast can make or break an animal’s fate. This article dives into the ...

Speed is one of nature’s most lethal weapons, and every continent has an animal built to outrun fear. This video ranks the seven continents by their fastest land animal, showing how each species uses ...

Before the mid-1960s, it was widely believed that all dinosaurs were cold-blooded, slow-moving animals. But in the summer of 1964, a team of paleontologists led by John Ostrom discovered Deinonychus, ...

The fastest a human has ever been recorded running was Usain Bolt in the 2009 Olympics. Bolt ran the 100-meter dash in an astonishing 9.58 seconds. This equals 27.78 miles per hour, and the record ...

When you think of fast animals, the cheetah usually takes the spotlight—but it’s far from the only speedster in the animal kingdom. Countless creatures on land, in the air, and in the water can reach ...

Add Yahoo as a preferred source to see more of our stories on Google. On Saturday we showcased the extraordinary speed of North American pronghorn, with footage that showed the animals easily ...

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

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 ...

Namibia Cheetah Sperm Bank FILE - A cheetah descends from on top of a mound in the savannah of the Maasai Mara, Kenya, July 6, 2015. (AP Photo/Ben Curtis, File ...