An83-million-year-old reptile fossil unearthed in southern France has been officially recognized as a new species and named ...

ALBUQUERQUE, N.M. (AP) — The earliest known example of a plant-eating reptile has been found in the fossil record in southern New Mexico, the New Mexico Museum of Natural History said. The museum made ...

Anewly described reptile from New Mexico is giving scientists a fresh look at the evolutionary experiments that unfolded before dinosaurs came to dominate Earth. Named Labrujasuchus expectatus, the ...

The Mexican axolotl (Ambystoma mexicanum) is famous because adults look like overgrown babies, or tadpoles, retaining juvenile features as adults and capable of remarkable regeneration of lost limbs ...

Scientists figured out that the predators were lumped in with a previously named mosasaur species. The new one, called Tylosaurus rex, could grow to 43 feet long, about the length of a school bus ...

In 2024, the Western Australian Museum received a donation. It was a koala skull collected from Moondyne Cave in Margaret River by Lindsay Hatcher, an avid caver. There was something a bit odd about ...

New fossil reveals a bird-hunting, four-winged microraptor that expands scientists' understanding of dinosaur flight evolution.

An illustration of Cimolodon desosai on the tree with a fruit in its mouth. It was about the size of a golden hamster, the researchers said. It likely scampered on the ground and in the trees and ate ...