Killifish, or egg-laying toothcarps, are known for their ecological adaptability and species diversity. Two families of ...

A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...

Old Plant Fossil Defies Classification ...

Dinosaurs inhabited the Northern Hemisphere millions of years earlier than scientists previously thought, according to the new research.

Researcher Christopher J. Bae identified Homo juluensis, a new human species that coexisted with Denisovans in Asia. A ...

It’s not causing panic! in the fossil record, but a 430-million-year-old mollusk discovery in Britain is a source of ...

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

Discover Uncus dzaugisi, a 555-million-year-old worm-like fossil, offering the first Precambrian evidence of Ecdysozoa ...

Nearly 200 Jurassic footprints found in southern England reveal new insights into 166 million-year-old prehistoric creatures, ...

A newly discovered dinosaur, uncovered by UW-Madison paleontologists, is reshaping the understanding of prehistoric reptiles.

The world's smallest sauropod dinosaur tracks were discovered in Southwest China's Xizang Autonomous Region recently, ...

Before this discovery, the only Cretaceous ... ichthyosaur skeletons known. The fossil is essential for understanding ichthyosaur diversity in New Zealand. These ancient reptiles have not been ...