Dam maintenance and non-native fish reduction efforts led the government to reject an environmentally restorative flood in the Grand Canyon.

Federal officials have confirmed that they will not flood the Grand Canyon this spring, citing ongoing work on Glen Canyon Dam and in the Colorado River downstream. Colorado River advocates say ...

Thirty federally recognized tribes lay claim to a fourth of the Colorado River, a vital water source for 40 million people ...

Thirty federally recognized tribes lay claim to a fourth of the Colorado River, a vital water source for 40 million people ...

Search and rescue teams recently conducted 13 helicopter rescues over a seven-day span. A SAR leader blames the uptick on a detour to a vital hiking route.

The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

James Bickerton is a Newsweek U.S. News reporter based in London, U.K. His focus is on covering news and politics in Texas, as well as other general news across the United States. James joined ...

After you've admired the Grand Canyon from the hiking trails (or even from the air on a helicopter tour), enjoy a new vantage point on a Colorado River rafting tour. Options range from the family ...

Aliaga beat the previous record-holder for the oldest person to have hiked the Grand Canyon rim to rim, John Jepkema of Craig, Colorado completed ... to do a rim-to-river-to-rim in May with ...

The first U.S. explorer to reach the Colorado River within the Grand Canyon was a government ... were living at Wi-ka-sala—Beaver Canyon, on your maps—when all the waters receded ...