Quote Originally Posted by beachguy in thongs
Think about that. Trillions of years ago, when it was closer to the sun, it could have had our ancestors. And then aliens brought us to Earth when it got cold.

Or the species moved underground.
Even a half a trillion years ago, the world was more complex than your simple mind could comprehend. But evoluton is for those not left behind. Sorry, dude, you didn't make the cut............