A deer-sized ancestor shows how fast tyrannosaurs became giants
A newly found dinosaur called Moros intrepidus fills a hole in the evolutionary history of tyrannosaurs, helping narrow...
A newly found dinosaur called Moros intrepidus fills a hole in the evolutionary history of tyrannosaurs, helping narrow...
A 240-million-year-old fossil reveals the oldest known case of bone cancer in an amniote, a group that includes mammals,...