Scientists have identified a new species of marine reptile after decades of mystery. Fossils of this aquatic predator, measuring up to 40 feet (12 meters) long, have been known since the 1980s.

Marshall says the new genus has officially been named “Traskasaura sandrae,” and that it was a “39-foot-long, long-necked ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found ...