Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University researchers.

The crowds watched the canyon keenly, peering through zoom lenses and binoculars and eyeglasses. The ancient layers had ...

Some of the first human beings to arrive in Tasmania, over 41,000 years ago, used fire to shape and manage the landscape, about 2,000 years earlier than previously thought.

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 ...

After the summer months when tourism is tapering off in Flagstaff, the changing colors of the aspen trees bring people up to ...

A 2019 Google search morphed into a daughter's pursuit of family history, and now another piece of the story made its way to ...

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 ...

“We’re used to long dry stretches out here in the Southwest due to our seasonality and precipitation,” said Michael Crimmins, ...

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 ...