Mon, Jul 28, 2014 at 9:00 AM
Photographer Andrew Pielage shares these gorgeous images of fly-fishing for rainbow trout in the cold, fast-moving waters of the Colorado River.
Thu, Jul 10, 2014 at 12:25 PM
Researchers at ASU capture a 'molecular movie' of water splitting into oxygen, protons and electrons.
Sat, Jun 21, 2014 at 1:00 PM
There are many beautiful slot canyons in the Southwest, but Antelope Canyon is one of the most famous — and for a good reason.
Fri, Jun 13, 2014 at 11:25 AM
This unusual sandstone rock formation looks more like a surrealist painting than an actual place. It's one travel destination you definitely want on your bucket list.
Mon, Jun 09, 2014 at 2:29 PM
When Rick Gruber saw the ground squirrel in a pool, he fished it out and performed CPR — and caught it on video.
Thu, May 29, 2014 at 9:00 AM
The craggy slopes of Oak Creek Canyon near Sedona are enveloped by smoke and flames from Arizona's Slide Wildfire.
Wed, Apr 30, 2014 at 12:58 PM
A new report from the American Lung Association finds that nearly 148 million Americans breathe unhealthy air.
Thu, Apr 17, 2014 at 8:00 AM
As the weather slowly heats up, more people will be flocking to local swimming holes and neighborhood sprinklers for a watery respite.
Mon, Mar 31, 2014 at 9:15 AM
In honor of Cesar Chavez Day, here are 10 interesting facts about the civil rights activist.
Sun, Mar 30, 2014 at 8:00 AM
The dust storm, also known by the Arabic word "haboob," forced cars to pull over on the highway as it coated the city in a thick layer of dust.