Extinct species news, features and articles

An ichthyosaur was pregnant with twins when she died, a fossil from Cretaceous Chile reveals.

The discovery of nearly 20 alligator-size amphibians that died together during the Triassic in what is now Wyoming is providing scientists important clues about these creatures' lives.

Fossils of 444 million-year-old creatures whose bodies were preserved "inside-out" have been discovered in South Africa.

A new species of dinosaur named Duonychus tsogtbaatari has been discovered by scientists, and unlike other therizinosaurs, this species has only two clawed fingers instead of three.

Archaeologists have discovered the remains of at least five woolly mammoths at a site in Austria. The remains suggest that ancient humans processed the mammoths' ivory tusks 25,000 years ago.

Scientists have discovered the fossilized remains of a new fish species called Ferruaspis brocksi, which lived 15 million years ago, and some of the fish have their final meals preserved inside their stomachs.

Researchers have excavated a rare mammoth tusk discovered by a hunter on a West Texas ranch.

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about a mysterious group of extinct predators.

A fossil that was first discovered over 50 years ago has finally been identified as a dinosaur that lived around 166 million years ago, during the Jurassic Period.