The geometric earthwork structures, carved into the ground with embankments and ditches, are in some cases more than 2,500 years old, researchers said.

Sometime in the 6th millennium B.C.E., tribes that had for centuries roamed the eastern foothills of the Alps began abandoning hunting and gathering. In place of a nomadic lifestyle, these tribes ...

If you liked this story, share it with other people. The authors of a new study say they have found 24 previously unrecorded pre-Columbian earthworks in the Amazon, and they estimate there may be more ...

Based upon information in a medieval text, the researchers had been looking for a hermitage built by an Anglo-Saxon monk on a plundered burial mound when they found the earthwork. “In prehistoric ...