A 246 million-year-old reptile fossil discovered by scientists in New Zealand has been identified as the oldest marine reptile fossil found in the Southern Hemisphere, according to a Swedish ...

Scientists have discovered a 246 million-year-old marine reptile fossil, the oldest of its kind to be found in the Southern Hemisphere, shining a new light on the early evolution of marine mammals.

The discovery of a giant marine reptile skull in the United States has revealed new theories about the speed of evolution and how quickly the process can produce diversity.

A landowner in Argentina discovered the fossilized remains of a prehistoric marine reptile, identified as an ichthyosaur, in the province of Neuquén.

Researchers have discovered the oldest known remains of a giant ancient oceanic reptile, known as an ichthyosaur, on a remote Arctic island, offering new evidence of how the creature may have evolved.

An international team of researchers discovered a new species of ichthyosaur, a marine reptile that lived in the age of dinosaurs. The 130 million-year-old fossil skull is particularly notable for ...

By Amarachi Orie, CNN (CNN) — Scientists have discovered a 246 million-year-old marine reptile fossil, the oldest of its kind to be found in the ...