The engineering accomplishments of the Poverty Point civilization are nothing short of astounding. Mound A, the largest of the earthworks, required an estimated 15.5 million basket loads of soil ...

Mapping an ancient site. In the spring of 2023, when the snow cover was gone but the leaves had not yet emerged, Dr. McLeester and her team conducted a drone-based LIDAR survey over some 330 ...

It's likely that ancient peoples returned to the area for hundreds, if not thousands, of years for mound building during the Woodland period, Oberreuter said, which occurred between 2,500 and 900 ...

A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North American continent; its ancient bedrock is slowly dripping into the Earth’s ...