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

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

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

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

A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how ...

Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.

In 2010, palaeontologist James Crampton discovered a partial ... skeletons known. The fossil is essential for understanding ichthyosaur diversity in New Zealand. These ancient reptiles have ...

This discovery challenges the long-held belief that dinosaurs originated exclusively in the southern supercontinent, Gondwana.

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

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 ...

One cache, found along the borders of Nevada and Oregon, potentially holds as much as 40 million metric tons of lithium, ...