The ferocious predator dominated the ancient landscapes of the late Cretaceous period, around 68 to 66 million years ago.
Discover the 8 Smartest Dinosaurs Ever to Live — See Where T-Rex Ranks - A-Z Animals
13 Things Paleontologists Got Wrong About Tyrannosaurus Rex
How did T. rex get such keen, predatory senses? New tyrannosaur offers hints.
Inside the brain of T. rex: the most fearsome of dinosaurs was smarter than you might think - YP
World's Scariest Dinosaur, MAD Life Entertainment
10 terrifying T Rex facts!
Inside the brain of T. rex: the most fearsome of dinosaurs was smarter than you might think - YP
Fossils: T. rex had complex nerve sensors in the tips of its jaws, study finds
There Was a Dangerous Purpose Behind T. Rex's Tiny Arms
Researchers use Kinect to scan T. rex skull, MIT News