Central Arizona is preparing for more intense droughts and floods through major water projects with federal support.

From luxury heritage routes to routine service passing through extraordinary scenery, here are 19 of our favorite rail ...

“Gillett, Colorado was a small mining town in Teller County, CO. In 1895, it was the site of the only bullfight in the ...

A blanket of snow swept the eastern half of the continental U.S. after over 90 million Americans were under winter weather ...

Winter moisture has helped ease stress and another cold stretch expected, according to the U.S. Drought Monitor.

While much of the nation deals with snow storms and icy conditions, California braces for heavy rain and potential flooding.

Over 83 million people around the U.S. live in residences with radon levels over the EPA's action level, new data reveals.

At least minor impacts were expected in multiple U.S. states this week, as two winter storms were forecast to roll across the ...

National Weather Service meteorologists warned of temperatures cold enough to be fatal descending across most of the nation.

Colorado State University researchers have identified priority areas for the conservation of the black-tailed prairie dog in the United States, extending from Montana to Texas and New Mexico to ...

Cold weather took hold over much of country with limited precipitation, according to the U.S. Drought Monitor.