Previous studies of adult T. rex showed that the dinosaur grew to a massive size by the time it reached its mid-20s. In two influential 2004 papers, researchers suggested that it went through a ...

We've just kind of left it, kind of as a reminder." The T. rex outside gets regular washings to keep it clean and noticeable, which isn't hard for a dinosaur on a corner. "We can't travel anywhere ...

Abundant fossil bones, teeth, trackways, and other hard evidence have revealed that Earth was the domain of the dinosaurs for at least 230 million years. But so far, not a single trace of dinosaur ...