The largest study ever conducted on the growth of Tyrannosaurus rex reveals that the dinosaur took a far longer and slower route to adulthood than scientists had previously believed.

A full-scale Deinosuchus schwimmeri skeleton brings decades of paleontological research into a single, scientifically precise exhibit. Dr. David Schwimmer, a geology professor at Columbus State Univer ...

PHOENIX — Dozens of spectators, some as young as 9, crowded into City Hall to meet Victoria, one of the most complete Tyrannosaurus rex fossils uncovered to date. To oohs and aahs, Mayor Kate Gallego ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the ...