Most regular visitors of Chicago's Field Museum are on a first-name basis with Sue, the Tyrannosaurus rex skeleton that adorns the museum's front hall. Vlad Ghiea / Alamy When it comes to dinosaur ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American You had no reason to expect a good weekend as ...

Everybody is familiar with the dinosaur Tryannosaurus rex, but did you know that it was a tyrannosaurine tyrannosaurid tyrannosauroid? It's true, and you really did read that last line correctly.