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

Maricopa County faces repeated avian influenza challenges as another commercial egg facility reports significant bird ...

Egg recall expands to 9 U.S. states after a Salmonella outbreak sickened at least 79 people and sent 21 to hospitals. Eggs ...

A strong Atlantic ridge is fueling a stalled weather pattern that’s bringing daily thunderstorms, heavy rain, and cooler-than ...

Snow albedo, also known as snow brightness, started near average in early May and then rapidly decreased until storms in the ...

According to the EPA's UV index forecast for June 7, solar noon, parts of California, Nevada, Utah, Colorado, Arizona, New ...

The maps unveiled Wednesday ... a joint effort involving Arizona, Nevada, Idaho, Utah and Montana. It calls for the development of a continuous four-lane roadway from Mexico through the U.S ...

Remains of 176 migrants were recovered near the US-Mexico border last year, up from 20 in 2019. Drop in crossings will ...

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

An abnormally wet spring helped lift the state out of drought conditions, with several cities breaking rainfall records.

The foundation for success in a football program is a stud at quarterback. And Nico Iamaleava being that foundation can put the UCLA Bruins back on the map.

President Donald Trump signed executive order #14172, “Restoring Names That Honor American Greatness”, on February 9th, 2025, ...