Fossils

Previous researchers were unable to record its exact coordinates.

This cephalopod is related to modern vampire squid.

A hefty abelisaurid is the fourth large, predatory dinosaur discovered in Egypt's Bahariya Formation, alongside other sizable Cretaceous carnivores.

An herbivorous dinosaur used its vicious-looking claws to forage for plants near the shores of Cretaceous seas.

Melon-size eggs belonging to an extinct and flightless giant 'thunder bird' were eaten by the first Australians.

Scientists uncovered 16.9 million-year-old fossils of the beast.

A new study of bones from the Grand Canyon reveals that this steep, rocky landscape was once a hunting ground for the extinct American cheetah.

Ghostly imprints of very tiny "nannofossils" can offer a valuable window into our planet's past — and hint at its possible future.

Paleontologists recently excavated a marine reptile known as an ichthyosaur that died while pregnant. The fossil provides a rare glimpse of the life cycle for this extinct ocean species.

A 6-year-old boy found a rare megalodon tooth on a beach in England, where such teeth are seldom found.

The predatory fish, nicknamed 'Ironbound', is on his way north to Canada.

An ancient trilobite fossil revealed that it had teensy claspers, which males likely used to "hug" females while mating.

Florida is sometimes referred to as the "shark tooth capital of the world," and new research documents the now-extinct species that have been discovered there.

Large torsos helped streamline swimming in giant long-necked extinct marine reptiles that swam Earth's oceans during the Mesozoic.

An extinct arthropod with stilt-like limbs that lived during the Ordovician period was recently described from an exceptional fossil found in Canada.

A newly discovered species of freshwater shrimp called Koonwarrella peterorum may have reproduced asexually via parthenogenesis.

Injured trilobite fossils provide the oldest known evidence of cannibalism.

The fossil belongs to a newfound genus and species.

The hypercarnivore may have hunted tapirs and tiny rhinos.

Around 66 million years ago, springtime in the Northern Hemisphere brought disaster and mass death to Earth in the form of a giant asteroid impact that triggered a global extinction.