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.
A definitive geological timeline shows that a series of massive volcanic explosions 66 million years ago contributed to the extinction of the dinosaurs.
An exhaustive new study by paleontologists provides conclusive evidence that the dinosaur Brontosaurus is distinct from Apatosaurus.
Scientists have debated whether one of the largest volcanic cataclysms in Europe contributed to Neanderthals' extinction. New research may offer an answer.
Thanks to the new discovery of a skull from about 55,000 years ago, perspectives on early Homo sapiens migration have changed.
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.