Eons
How South America Made the Marsupials
Throughout the Cenozoic Era marsupials flourished all over South America.
Throughout the Cenozoic Era marsupials flourished all over South America.
Long necks gave sauropods an advantage when it came to food, but not in the way you think.
The greatest snake that the world ever saw was made possible by a warming planet.
If it weren't for the collapse, our ancestors might never have made it out of the swamps.
The climate of the Sahara was completely different thousands of years ago.