A 13,600-year-old mastodon skull is unearthed in an Iowa creek
16th-century compass unearthed in Poland may have belonged to Copernicus
Researchers say they've found the surprising source of a key piece of Stonehenge
The world's oldest solar calendar may have been unearthed in Turkey
Ancient pot of gold unearthed in Turkey hints at ‘gravest misfortune,’ researchers say