Many Dino Fossils Could Have Soft Tissue Inside

A 2005 paper in the journal Science described what appeared to be flexible blood vessels, cells, and collagen-like bone matrix from fossils of a 70-million-year-old Tyrannosaurus rex..........

National Geographic News

T-rex Ancestor Discovered

Researchers say they have uncovered the earliest member of the dinosaur group that went on to include the fearsome Tyrannosaurus rex. It seems to have been a vicious little monster with an elaborate crest over its snout, they report..........

World Science