New plankton arrived just a few millennia — maybe even decades — after the Chicxulub asteroid, forcing a rethink of evolution ...

Learn how the tiny dinosaur fossil from Patagonia reshapes alvarezsaur evolution and their unusual digging claws.

Dinosaurs have thrown into question everything we thought we knew about the evolution of body size. In biology, Bergmann's Rule is a 150-year-old principle that correlates an animal's body size to ...

May 21 (Reuters) - A new fossil of the Cretaceous Period dinosaur Psittacosaurus, a dog-sized herbivore with a parrot-like beak, that was donated to a Chinese university came with a surprise - one ...

The earliest feathered dinosaurs may have evolved their bird-like features while still retaining lizard-like scales on other parts of their body. This theory is based on the discovery of a fossilized ...

Add Yahoo as a preferred source to see more of our stories on Google. 160-million-year-old Anchiornis fossils. (photo credit: TEL AVIV UNIVERSITY) Research on the Anchiornis specimen reveals hidden ...

A newfound site in the Italian Alps holds one of the largest collections of Triassic dinosaur footprints ever seen ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

An artist's portrayal of Lokiceratops rangiformis, which lived in the swamps of western North America about 78 million years ago. Andrey Atuchin In what sounds like a crossover episode between The ...