Pterosaurs were the first vertebrates to achieve powered flight, but they remain the only major volant group to face ...

A new study finds that one of the hottest periods in Earth's history may have driven lampreys apart -- genetically speaking. The work could have implications for how aquatic species respond to our ...

The fossil was unearthed in the Los Blanquitos Formation near Amblayo, in the north of Argentina. It dates to between 75 and ...

Fossilized remains of a previously unknown species of mosasaur, an extinct marine reptile, have been uncovered in the ...

Ichthyosaurs were reptiles that swam in the seas during the time of the dinosaurs. They evolved separately around 250 million ...