Rather than looking at things like burial, art, or dress ... to be from the Cycladic island of Melos. When these results were considered together with the way the obsidian blades had been made ...

A series of obsidian blocks were found off the Italian island of Capri. Italian authorities believe the obsidian could have come from a Neolithic shipwreck. Other experts say it is possible that ...

The study, published Oct. 17 in the journal Proceedings of the National Academy of Sciences, is the first to apply state-of-the-art analytical tools to a collection of 2,100 obsidian artifacts housed ...