Humans have shared stories about giants for ... Related: Why don't we have many giant animals anymore? Other conditions can cause people to be extraordinarily tall. These include Marfan syndrome ...

Early human migration timeline into South America has stirred debate. Researchers have long argued about when these first ...

A strange cast of ferocious predators and giant ... humans for food, led to the demise of the dire wolf and many other ancient predators about 10,000 to 20,000 years ago. But other, more plucky ...