Evolutionary biologists have found fossil evidence of 110 species of pterosaurs, with wing spans ranging from 10 inches to over 33 feet I scout potential sites for camping and photography trips by ...

HORSESHOE CANYON, Utah — In a remote arm of Canyonlands National Park, deep inside a warren of rock and sand, is one of the greatest and most mysterious collections of ancient art in North America.

What is believed to be the world's oldest pictograph has been discovered at the 12,000-year-old archaeological site of Göbekli Tepe in the Anatolia Region of Turkey. The scene on the obelisk shows a ...