At first blush, the structures in New Mexico built by the Chacoan people and those in Ohio traced to the Hopewell culture bear little resemblance. The Chacoans, accommodating the arid desert of their ...

Researchers imaged a 5,000-year-old fortification in the forests of Neamț County in Romania. The study used drones equipped with LiDAR technology to capture the likeness of the structure through thick ...