It wasn't until 1912 that meteorologist Alfred Wegener hypothesized that Earth's continents had once been joined as a ...
Over two hundred fifty million years ago, India, Africa, Australia, and South America were all one continent called Pangea. Over the next several million years, this giant southern continent ...
But life finds a way. At the time the ancestors of mammals and dinosaurs were among the survivors, repopulating all the continents after Pangea started to break up.