Extinct Tyrannosaurus Rex

Usually a species has 10 million years or so of evolving, eating, chasing, playing, maybe doing homework, or even going to the moon before it goes extinct.
Tyrannosaurus rex, the most famous and the most misunderstood superstar in the story of life! This mightiest of dinosaurs – massive, green and scaly – or, as we now know, massive and partially feathered, with a keen sense of hearing, smell and great vision dominated the Cretaceous landscape. Everyone knows about the giant asteroid which struck Earth 66 million years ago ending the Age of the Dinosaurs. Or did it?