Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

A 7-day mission begins along one of the wildest coastlines on Earth. With a heavily loaded boat, limited water, and only basic gear, the journey pushes north through Cape York toward the very tip of ...

The Spinosaurus is a sail-backed, crocodile-snouted dinosaur that Hollywood depicted as a giant terrestrial predator capable of taking down a T. rex in Jurassic Park 3. Then they changed their mind ...

Lost fossils reveal that some of the first ocean predators went global astonishingly fast after Earth’s worst extinction.

Genetic evidence confirms Seychelles crocodiles were saltwater crocodiles capable of long-distance ocean dispersal, with a ...

See how trees rose, endured and survived across 500 million years; evolving superpowers and weaponry; and shaping how we grip ...

The Atlantic sturgeon was driven to extinction in Europe by the middle of the 20th century. In Sweden’s Göta River, a ...

A lost cache of 250-million-year-old fossils from Australia has rewritten part of the story of life after Earth’s worst mass extinction. Instead of a single marine amphibian species, researchers ...

Prehistoric animals are often pictured as distant fossils, yet a surprising number of species still walk, swim, and crawl ...

Researchers have rediscovered 250 million-year-old fossils, revealing that ancient, crocodile-like "sea-salamanders" ...

A shocking discovery is rewriting what scientists know about a famous dinosaur as many believe the fossil could be the first ...

A shocking discovery is rewriting what scientists know about a famous dinosaur as many believe the fossil could be the first ...