New research suggests the idea of stone megaliths was spread by a mysterious seafaring culture from northwest France.
Chemical analysis shows presence of what was probably a primitive embalming fluid.
Artifacts suggest that an extinct human species left Africa about 250,000 years earlier than previously thought.
Reanalyzed foot and handprints may date to thousands of years before many thought the roof of the world was settled.
Scientists use animal images to study the region's environmental history.
The head's structure may not explain as much about an animal's posture as long believed.
A bitter battle can wage over human remains before they rest in peace.