This primitive dinosaur had a wide W-shaped jaw and a solid bony crest resembling a humped nose.
An illustration of a Microraptor as it swallows a lizard whole during the Cretaceous period. The well-preserved fossils of the Microraptor and the lizard were both found, leading to the discovery that the lizard was a previously unknown species.
The back of a skull found in a Grecian cave has been dated to 210,000 years ago. Known as Apidima 1, right, researchers were able to scan and re-create it (middle and left). The rounded shape of Apidima 1 is a unique feature of modern humans and contrasts sharply with Neanderthals and their ancestors.
A 33,000-year-old human skull shows evidence of being struck with a club-like object. The right side of the man's head has a large depressed fracture.
The recently discovered fossilized femur of an ancient giant bird revealed that it weighed nearly as much as an adult polar bear and could reach 11½ feet tall. It lived between 1.5 million and 2 million years ago.
This jawbone belonged to a Neanderthal girl who lived 120,000 years ago. It was found in Scladina Cave in Belgium.
This is an artist's illustration of the newly discovered dinosaur species Fostoria dhimbangunmal.
Radiocarbon dating has revealed that this Iron Age wooden shield was made between 395 and 255 BC.
The incredibly well-preserved fossil of a 3 million-year-old extinct species of field mouse, found in Germany, which was less than 3 inches long, was found to have red pigment in its fur.