The Earth is really, really old. Over 4 1/2 billion years old, in fact. How do we begin to comprehend a number that large? It helps to put it on a more fathomable scale. Watch to see where Earth's ...

Scotese studies how plate tectonics and a warming climate will change Earth's appearance in the future, and he has made multiple animated maps based from his research. For more animations from ...

A simple animation created by planetary scientist James O'Donoghue puts the whole thing in perspective. "People often talk about how we are standing on a ball (Earth) which rotates at great speed ...

tracking its distance from Earth, apparent size relative to our planet, and the speed of its retreat over time. "My animations were made to show as instantly as possible the whole context of what ...