These shifts can be linked to base-level changes as the Colorado River established its path, eventually contributing to the ...

Major John Wesley Powell makes the first recorded trip through the Grand Canyon and down the length of the Colorado River. The one-armed Civil War veteran followed this expedition with a second ...

Pipe damage has been found in the Glen Canyon Dam that feeds Lake ... after plumbing issues were found with a major US dam ...

California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are ...

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 ...