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UA Mineral Museum Receives Its Largest Donation Ever

The collection will help create database used for non-destructive sampling technology.

Ak-Chin Tribe Finds Alternative Water Source

Treatment plant makes water from Colorado River via Central Arizona Project clean, drinkable.

Storm Closes Roads, Snarls Traffic, Damages School

Power poles down on South Side; up to one inch of raifall reported in some spots.

Proposed Barriers Along Border Could Harm Wildlife

The issue has raised flags among environmentalists, who argue it could be devastating to the area's natural surroundings.

Border National Monument is Center of Conflict

Organ Pipe Cactus Park has sparked issues among Border Patrol, ecologists, visitors.

Access to Yarnell Fire Site Starts Tuesday

Today will be the first time media is able to observe the site where 19 Prescott Hotshots were killed while battling the blaze.

Tucson Company Welcomes Visit From Astronauts

Local aerospace industry helping build NASA's next generation of spacecraft.

AZ Group Seeks Volunteers for Wilderness Areas

Coalition offers steward training to monitor 1 million acres of back country.

Officials: Government's Response to Wildfires Not Affected Yet

Obama administration says this year's budget cuts haven't harmed ability to fight fires.

Yarnell Fire 100% Contained

U.S. Forest Service said the blaze that killed 19 Prescott firefighters ceased late Wednesday night.

New Insect-Based Protein Bar Promotes Water Sustainability

Crickets could be an uprising culinary delicacy.

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.

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