Primates are in big trouble. And it's our fault.
Sexual reproduction has been around for 2 billion years. But when did sex for pleasure arise? And how much did penises have to do with it?
A new study details how climate change directed early modern humans’ intricate dance among continents and pushes back their dispersal out of Africa to at least 100,000 years ago.
An intriguing new study adds cred to the theory that Lucy and her relatives spent some of their time in trees.
There are pros and cons to any relationship, but what are the risks and benefits of mating … with another species?
What is it about islands that makes big creatures turn small?