Around 4,500 years ago, the famous silhouette of Stonehenge would have looked very different. Writer and archaeologist Mike Pitts digs up clues to the mystery of the circle's long-lost stones.

Archaeologists propose that these stones were gifts, solidifying political and cultural unity. Related Stories ・Archeologists discover two new Stonehenge-like stone circles in England ...

Stonehenge may have had a second purpose beyond its well-documented astronomical uses. A new study claims that the monument may have been built in part to unify neighboring people groups in and ...