Stonehenge 'a long-term cemetery'

Stonehenge may have served as a burial ground for much longer that has been previously suggested, according to new research conducted by the University of Sheffield."The site was used as a cemetery for 500 years,...

Dinosaur find shows early social behavior: study

 "LONDON (Reuters) - The fossilized remains of six young dinosaurs found together in a "nursery" at a site in China show these animals had started forming social groups much earlier than previously thought,...