Lawsuits targeting Baaj Nwaavjo I'tah Kukveni national monument are at odds with Arizona voters, 80% of whom support the ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

Two and a half years after Las Vegas was fixated on Lake Mead’s “bathtub ring” at the nation’s largest ... The seven states that rely on the Colorado River for precious water — Nevada, Arizona, ...

Sens. Mark Kelly and Ruben Gallego are asking the Bureau of Reclamation to ensure projects for Colorado River preservation ...

Snowpack in the upper Colorado River basin is slightly less than normal for this time of year, meaning Arizona could see sustained water cuts through 2026. Though trends could change through the ...

January's Colorado River basin snowpack is about normal, but without a snowy late winter, Arizona will likely see sustained water cuts on the river.

Arizona is gearing up for a potential legal showdown to safeguard its water rights amid growing tensions over the Colorado River's dwindling supply.

Since 1974, the seven Colorado River basin states — Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming — have coordinated efforts to implement salinity control in the waterway ...

The new year is opening to an uncertain and contentious future along the Colorado ... decreasing river flow and half-empty reservoirs, the seven river basin states, including Arizona, have been ...

Horseshoe Bend, Glen Canyon, Lake Powell, Page My Arizona adventure continued up north – starting from Tucson, through Sedona ...