The Tyrannosaurus rex skull — named Maximus — is considered "one of the best and most complete of its kind ever discovered," auction house Sotheby's says Abigail Adams is a Human Interest ...

The PPHM skull measures 4 feet long by 3 feet wide. Based on this size, paleontologists estimate this dinosaur is about 85% the size of the largest T. rex found to-date, and one of the most ...