A federal appeals court has sided with Native American tribes in their fight against the federal government over a SunZia ...

Readers have asked about Arizona's cleaner-burning gasoline formulas. Do they improve air quality, health and greenhouse gas ...

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

The business community in southern Arizona is grappling with tariffs on imports and federal policies impacting tourism, ...

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

How growing up in the "cone of uncertainty" changed my life - even when I thought I had left it behind. Until Hurricane ...

A severe geomagnetic storm is striking Earth now, NOAA’s Space Weather Prediction Center (SWPC) confirmed on Sunday, June 1, ...

A small, pale maggot about a half-inch long could cost New Mexico cattle ranchers greatly if it gets back into the country. One of the state's senators introduced new legislation to combat the New ...

Natural gas has become a go-to fuel for power plants from coast to coast, sometimes replacing dirtier coal-fired plants and, ...

No. 3-seeded Arizona State baseball lost to host and No. 1-seed UCLA 11-5 in the Los Angeles Regional of the NCAA baseball ...

The breakup is now in writing. While the five departing Mountain West schools who are leaving to form a new league after the coming 2025-26 season were very public last fall about telling the world ...

University of Miami hoops coach Jim Larranaga retired two months into the season. There was no scandal behind it, no family ...