This state park boasts the second-largest canyon system in the country. While Texas' summer heat can be tough, autumn brings ...
Karl Karlstrom, a geologist recently retired from the University of New Mexico, grew up in Flagstaff, Arizona. Grand Canyon ...
The Hidden Chapter Finally Gets a Name A research team outlines how it identified and bestowed a moniker upon a previously ...
A recent study from the University of New Mexico has proposed a fascinating theory about the formation of the Grand Canyon.
Analysis of a massive wooden monument has uncovered new secrets of Cahokia, America’s greatest lost civilization.