During the era of the dinosaurs on land, a group of prehistoric marine reptiles called ichthyosaurs lived in the oceans. Find out what fossils have revealed about these animals, which included the ...

This article is more than 2 years old. Scientists say a teenager and her father discovered fossilized pieces of jawbone that belonged to an ichthyosaur, an ancient marine reptile. This particular ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American You’re reading a blog. This almost guarantees ...

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 ...

About 240 million years ago, a massive marine reptile swallowed another, slightly less massive reptile and died shortly thereafter. The larger creature—a dolphin-like reptile known as an ...

A chance glance at a museum display has led to the first-ever discovery of an ichthyosaur fossil in western Japan, dating back around 220 million years. Initially mistaken for a common bivalve fossil, ...