Austrian scientists have found the sport - which has exploded in popularity in recent years in Britain and the US - could ...

At Mesa Verde, Spanish for "green table," multistoried dwellings fill the cliff-rock alcoves that rise 2,000 ... changes in the lives of a prehistoric people once dubbed the Anasazi.

Just inside Camp 4, one of the most popular camping spots in Yosemite National Park, lies a bouldering problem that few hav ...

Leaves usually change color late September through early October. Ice climbing the 575-foot-high granite canyon walls is a growing adventure sport—for experienced ice climbers only. Adventurous ...

The creation of three "dire wolf" pups has raised hopes that it may be possible to resurrect extinct animals. But some scientists have grave concerns. Swathes of scientific data deletions are ...