A 70-foot-long Apatosaurus skeleton, named Vulcan, recently became the biggest dinosaur fossil ever sold when it was acquired ...

While both groups survived as a whole, many species went extinct. Among the casualties were the shastasaurid ichthyosaurs, a group of whale-sized marine reptiles that could reach up to 21 metres long.

Their new study reveals that the bones belonged to a previously unknown species of ichthyosaurs, gigantic marine reptiles that ruled the oceans while dinosaurs ... making it the largest ichthyosaur.

The fossilised remains of Britain’s largest ichthyosaur ... Often mistaken for ‘swimming dinosaurs’, ichthyosaurs were a highly successful group of marine reptiles that became extinct about 90 million ...

Scientists have identified what was probably the largest marine reptile ever to swim in ... lived around 202 million years ago alongside the dinosaurs. Its fossilised jawbone was found in 2016 ...

AMAKUSA, Kumamoto Prefecture--A rib bone fossil from about 100 million years ago is believed to be from the second largest dinosaur to have roamed Japan, researchers said. The fossil, from a ...

One of the largest dinosaur footprints in the world has been discovered near the city of Sucre in central Bolivia. Tour guide Grover Marquina came across the print earlier this month, some 80 ...

"We document the largest collection of fossil ... showing how large terrestrial dinosaurs like Centrosaurus shared space with marine animals in a mosaic of estuaries and barrier islands.