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 ...

Speed in the animal kingdom comes in many forms, from powerful land sprints to lightning-fast dives beneath the waves. Whether it's in the air, on land, or through water, each species has evolved in ...

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 ...

The Jurassic Period lasted from about 201.3 to 145 million years ago. Evolution moved incredibly fast then, as did the creatures it created. In popular culture, we tend to think of dinosaurs as slow, ...

New research suggests the biggest animals run out of fuel for their fast-twitch muscles before they reach the maximum speed their bodies could... New Research Suggests Why Mid-Sized Animals Are The ...

From creatures that regrow limbs to animals that see electricity, nature’s true superheroes don’t wear capes—they evolve them ...