More Science Stories

AZ Sky Island Region: One of Most Diverse in US

Home to a variety of organisms, such as beetles, scorpions and crickets.

Yarnell Residents Expected to Return Home Monday

Nearly 130 homes, structures were destroyed; 19 firefighters died in the deadly fire.

Monsoon Causes Flooding in Flagstaff

Nearly 1 inch of rain falls in 15 minutes; more over 3-hour span, plus big hailstones.

Nearly 130 Homes, Structures Destroyed in Yarnell Fire

Earlier estimates ranged from 50 to 250, officials obtained better number after getting a closer look at the scene.

Mt. Lemmon Fees to Change Starting July 4

Recreation area will charge visitors in 11 individual sites instead of as a whole.

Deadly Wildfire Continues Out of Control

Blaze that killed 19 firefighters has 'high' potential for growing beyond its 8,400 acres, officials say.

Demographics Changing for Migrant Deaths in the Desert

Report shows more people from Central America crossing into the U.S.

Wildfire on Mount Lemmon Burns 200 Acres

Blaze possibly caused by lightning Sunday evening continues to grow on site of Aspen Fire of decade ago.

Prescott in Mourning: 19 Firefighters Killed

1,000 jam auditorium for memorial; tears, eulogies, prayers, moment of silence mark Sunday's tragedy.

'Excessive Heat' Warning Remains in Effect in AZ

Temperatures to 116 Sunday, with limited outdoor activity advised; monsoon coming, but not soon enough.

Signs Point To Early Monsoon Rains

Forecaster predicts moisture will come not long after season's official start Saturday, similar to 2012.

60-Year-Old Desert Museum Keeps It Fresh

Mountain lion cub on exhibit after rescue from California

Future of Colorado River Discussed

Another dry year, more stress on dwindling water supply

Patagonia Wildfire 75% Contained

Mop-up beginning; flames no longer spreading

Dwindling Waterways Draw Scientists

Sonoran Institute researchers working on issues, raising awareness

Sabino Canyon: Desert Delight

Popular hiking, recreation area alive with color for spring

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