Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

Stunning discoveries and fresh breakthroughs in DNA analysis are changing our understanding of our own evolution and offering a new picture of the "other humans" that our ancestors met across ...

Whenever we deal with dishonest selfish or nasty people we mourn the fall of morality and think about the era when the world would have been a better place But what if I tell you that evil sprouted ri ...