Planting trees, activating cooling centers and a new heat resilience lab are all a part of preventing more deaths in Southern Nevada’s recurring summer heat.

The Grand Canyon can be as busy as it is majestic, so travelers of all ages should consider this subtler option in ...

The review includes hundreds of cases of misidentified balloons, birds and satellites as well as some that defy easy ...

A grant from the Freeport-McMoRan Foundation will support the University of Arizona in developing K-12 programs that educate ...

A hardboiled mystery set in the American Southwest, “The Arizona Triangle” is the debut novel by Sydney Graves, which is a ...

"The Grand Canyon is an epic Rosetta Stone for geology," Denver Museum of Nature and Science geologist James Hagadorn said.

Armed with advanced technology, decades of expertise, and insights from an NSF-funded study, a multi-institution team of geoscientists offer innovative, updated perspectives of an iconic sedimentary ...

The Gunnison Project, a fully vertically integrated operation producing finished copper cathode on-site in Arizona for ...

Once completed, the Sun Corridor Trail would stretch from the Las Vegas area, into Arizona, through Flagstaff and Phoenix and ...

Arizona has seen wet winter seasons over the past 30 years, but not one after another, and that's what's needed.

Huge shells of frozen carbon dioxide at Mars' south polar cap resulted in subsurface meltwater, which fed a huge system of ...

From petrified forests to a fiery crater burning for 50+ years, these eight geological phenomena reveal Earth's mysterious forces.