New Jurassic mammalian fossil discovered with an unusual tooth replacement pattern / Boy discovers Jurassic fossils in his own garden / Massive dinosaur discovery in Portugal could rewrite Jurassic history / How paleontologists are uncovering dinosaur behavior / What bone scans reveal about a tiny crocodilian from the Jurassic era / Famed dino hunter reflects on the history of paleontology: 'Our story is incomplete' / Jurassic fossils show modern mammals grow faster than ancient ones / New Jurassic fossil findings provide insights into the development of the middle ear in mammals / Paleontologists Are Still Unraveling the Mystery of the First Dinosaur / Africans discovered dinosaur fossils long before the term 'paleontology' existed, researchers say