Dr. Tim Henderson knows a lot about animals.

The scientists learned many cool things. Just like birds and insects, the bats adjusted their flight speeds in response to ...

Faster than a race car and lethal mid-air, this remarkable bird dominates the skies with unmatched speed and precision, raising fresh wonder about how nature created such a hunter.

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 ...

Speed is one of nature’s most lethal weapons, and every continent has an animal built to outrun fear. This video ranks the ...

Peregrine falcons are the fastest animal on earth. They have been clocked at over 200 miles per hour as they descend upon their target. Peter Arnold, Inc. / Alamy I’m standing a thousand feet above ...

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 ...