Chances are, you can easily recognize the bald eagle (Haliaeetus leucocephalus). After all, how many other birds can you think of that have those iconic brown feathers and white heads? However, when ...

Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...

Since the Middle Ages, the size of wild and domestic animals has largely been shaped by human selection: domestic animals are increasingly larger; wild animals increasingly smaller. During the 7,000 ...