A rare Antarctic fossil reveals how early fish lived and hunted just before animals began moving onto land 380 million years ...

A rare fossil discovery in Canada reveals an unusual ancient organism, offering new insight into early marine evolution.

Fossil jaws reveal giant prehistoric octopuses may have ruled ancient oceans as powerful apex predators during the Cretaceous ...

Loss of species including mammoths, saber-tooth cats and direwolves has had long-lasting impacts and could tell us how ...

A wave of dinosaur discoveries over the past decade has completely reshaped our understanding of these long-extinct animals.

A new study in PNAS finds that the extinction of massive mammals between 50,000 and 10,000 years ago continues to affect global food webs, particularly in the Americas. These megafauna once shaped ...

Below the waves, giant marine reptiles, such as the fearsome 4m (13ft) long mosasaurs, were the undisputed apex predators. In artistic reconstructions of these ancient oceans, cephalopods – the animal ...

Learn about the modern platypus' ancient ancestor, which swam in the same inland lakes as dolphins and had teeth tough enough ...

A newly discovered fossil of a giant dolphin-like reptile reveals how the creature survived severe injuries 180 million years ...