There really was a giant, flightless bird - Gastornis - with a head the size of a horse's wandering the high Arctic some 53 million years ago.
There is no longer any doubt: We are entering a mass extinction that threatens humanity's existence.
An exhaustive new study by paleontologists provides conclusive evidence that the dinosaur Brontosaurus is distinct from Apatosaurus.
Thanks to the new discovery of a skull from about 55,000 years ago, perspectives on early Homo sapiens migration have changed.
An analysis of geologic history may help solve the riddle of the Cambrian explosion, the rapid diversification of animal life 530 million years ago.
The most comprehensive family tree of meat-eating dinosaurs ever created is enabling scientists to discover key details of how birds evolved from them.
A feathered fossil, from a raptorial dinosaur fossil with exceptionally long feathers, has provided exciting insights into dinosaur flight.