Chenoa Nickerson's siblings turned a tragic situation into a charitable endeavor after their sister, 33, was swept away in a ...

The Bureau of Land Management has given final approval to a number of new, site-specific restrictions on public-land uses in ...

Beijing's approval of a controversial mega dam in the lower reaches of the Yarlung Tsangpo River, which flows from Tibet ...

The project has stoked concerns about displacement and environmental impact downstream in India and Bangladesh.

We’re on a cliff roughly 3,500 feet above the Colorado River at the tip of the Great Thumb Mesa, a spectacular formation that thrusts out from the South Rim of the Grand Canyon like the bow of ...

Christmas week is bringing the gift of snow to Colorado after a generally dry spell that drove the state’s snowpack level to ...

State officials and Union Pacific have reached a tentative agreement on the future use of the Moffat Tunnel — a key step to ...

The Grand Canyon Search Rescue recovered the deceased body of Chenoa Nickerson after she got swept away in a flash flood while hiking near Havasu Creek.

Arizona is a state full of world-famous destinations, but one of its lesser-known treasures is hidden among canyon walls ...

Plus: Tourists or locals first, the hardest decision for SAR, crashing on a snowy pass, ski area injuries, big wins in small ...

A flush of cleaned wastewater into the Santa Cruz River has restored a fish and wildlife connection in Arizona's Sky Islands.

The Christmas holidays of 1858 were particularly joyous for Denver City. Wild game was plentiful, as were potatoes, beans, and dried fruit. All ...