General William Jackson Palmer's trash has become researchers' treasure as they sift through a Garden of the Gods dig site.
Archaeologist Chris Fisher has researched ruins in Honduras and Mexico, including one called the "Lost City of the Monkey God."
Rounded stones shaped like French baguettes have baffled scientists since they were discovered near the Great Sand Dunes. Now, there may be an answer.
A research professor at the University of Arizona has found the ancient inhabitants of the Mesa Verde area used complex geometry to build a temple — the first sign of such sophisticated geometrical skills in North America.
- The group's findings show the bones belonged to three children or teenagers who lived sometime between 250 B.C. and 950 A.D.Read more