What did life look like when the Amazon watershed flowed backwards?
Did you know the evolution of the butthole was a major breakthrough in animal development?
Learn about the complicated the history of mammals and their disappearance.
Where did our moon come from? The origin is even stranger than you may imagine.
Just a few thousand years ago, Madagascar was inhabited by giant lemurs.
How did the "false horse," Thoatherium, and its relatives survive?