Find out what fossils have revealed about ichthyosaurs, which included the biggest marine reptile that ever lived.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of a giant pair of swimming Ichthyotitan severnensis, a marine reptile that paleontologists believe may have been ...

A newly identified ichthyosaur from the UK’s Jurassic Coast is rewriting part of the prehistoric playbook. Nicknamed the “Sword Dragon of Dorset,” the three-meter-long marine reptile lived during a ...

A remarkable new species of ichthyosaur, dubbed Xiphodracon goldencapensis, or the “sword dragon of Dorset,” has been identified from a nearly complete fossil found along the UK’s Jurassic Coast. This ...

Imagine dolphins disappearing from the world's oceans as a result of prolonged climate change and slower evolution. As shocking and unlikely as such an event might be, it happened in the past to a ...