The Arizona Lottery offers multiple draw games for those aiming to win big. Arizona offers Powerball, Mega ...

On its surface, floating solar appears to conserve water while generating carbon-free electricity. River managers are ...

The Pima County Board of Supervisors confirmed the new location for the downtown main public library by approving the ...

The U.S. Army and a private company are flying high-altitude surveillance balloons over the Tucson area, raising privacy ...

On Tuesday, the Pima County Board of Supervisors voted to buy the old Wells Fargo Bank building in downtown Tucson to turn it ...

On its surface, floating solar appears to conserve water while generating carbon-free electricity. River managers are ...

EPA's ruling won't stop construction of the Hermosa Mine, which began last fall near Patagonia in Southern Arizona.

The Environmental Protection Agency has rejected an air pollution permit for the Hermosa mine in Arizona's Patagonia ...

The Environmental Protection Agency has rejected Arizona’s approval of an air pollution permit for a new mine in the Patagonia Mountains south of Tucson.

The study did not measure how much water evaporation floating solar would prevent, but previous NREL research has shown that photovoltaic panels—sometimes called “floatovoltaics” when they are ...

Alvin's moisture will enhance rainfall in the Southwest U.S. this weekend then increase the chances of severe weather in the ...

For years, cities have used advanced purified water as an indirect potable source, recharging it into aquifers or other water ...