Many animals have the need for speed – it is a matter of survival whether predator or prey. When it comes to speed, certain animal athletes consistently win the gold in the categories of fastest ...

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 ...

Cheetahs, the fastest mammals on Earth, are now in a race against extinction. It’s estimated that fewer than 7,000 exist in the wild. John Yang speaks with Laurie Marker, a woman who has already ...