Researchers were unable to trace the origins of pterosaurs for 200 years, but a new study sheds light on the mystery of the first-known flying vertebrates.
A graduate student browsing the specimen drawers at Yale's Peabody Museum of Natural History has found a skull of a small lizard - leading to the discovery of a new species.
About five million years ago, the West Coast of South Africa saw its share of dangerous mammals - wolverines, bears, saber-tooth tigers - and now, a small carnivore related to the modern honey badger.
Some 240 million years ago, during the time of aquatic reptilian predators, one species used its short, flat tail to balance and float motionless as it hunted for prey.
Scientists have discovered the largest ancient bird species from over 50 million years ago in the Antarctic. However, rare fossils of ancient birds raise the question if a larger species existed and is yet to be found.
A new species of mosasaurs, an ancient marine reptile, was discovered on one of Mocorro's phosphate mines. Fossil evidence revealed unique physiological features explaining its predatory behavior.
British auction house Christie's will be auctioning off one of the most complete Tyrannosaurus rex skeletons ever discovered, expecting to fetch a record-setting price on October 6.