Hundreds of vendors from dozens of countries converged in Tucson, Arizona, for the annual Gem and Mineral Show, where the best and most impressive ...

Using water more efficiently in agriculture has many benefits. But bolstering the Colorado River may not be one of them.

After 24 years of guiding whitewater trips on the Nolichucky River Gorge for other companies, Patrick Mannion finally received a permit last year to operate his own outfitter ...