A new model that explains how canyons are formed from floods and other water discharges has discounted an erstwhile brim model, which harped on gushing water discharge in huge volumes having caused ...

A research team outlines how it identified and bestowed a moniker upon a previously unexplored 500 million-year-old Grand Canyon formation: The Frenchman Mountain Dolostone. The newly named rock layer ...

A meteor may have led to the formation of the Grand Canyon, a new study has found. While many Americans are familiar with the Grand Canyon’s beauty and uniqueness, they may not be aware of the story ...

All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. In 2002, flood ...

Journal of Applied Meteorology (1988-2005), Vol. 43, No. 12 (December 2004), pp. 1899-1910 (12 pages) ABSTRACT A single-layer urban canopy model is incorporated into a simple two-dimensional ...

A fossil flora was found in sedimentary beds which are apparently conformable with the overlying Columbia River lavas in one of the side canyons of Moses Coulee, Washington. These beds are here ...

Ivo Lucchitta, emeritus scientist, USGS, research associate, Museum of Northern Arizona, Flagstaff, Ariz. Richard Young, professor, geological sciences, State University of New York, Geneseo Geneseo, ...