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Heat is On: Tucson Hits 100

First day of triple digits came late, tied record of 105; more forecast for rest of week, month, summer ...

60-Year-Old Desert Museum Keeps It Fresh

Mountain lion cub on exhibit after rescue from California

Small Quake Rattles Northern AZ

No injuries, damage reported after 2.7-magnitude temblor near Page

The Colorado River dies a slow death in Mexico. The river's delta, formerly lush, is now the mostly barren desert seen here. The river no longer reaches the Sea of Cortez.

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

4 of 8 Condor Deaths Confirmed as Lead-Based

Poisoning from ingesting bullets when eating carcasses

The Sonoran Institute is a non-profit organization whose mission is to "inspire and enable community decisions and public policies that respect the land and people of western North America."

Dwindling Waterways Draw Scientists

Sonoran Institute researchers working on issues, raising awareness

Wildfire Growing Rapidly near Patagonia

3,800 acres with little containment; 200 crew members on lines

Meet some bug enthusiasts from the Sonoran Arthropod Studies Institute as they share some of the highlights of their living insect collection with Mark McLemore.

'Bug Man' Oversees Vast Collection

'They're not out there to sting you or bite you,' entomologist says

'Helicopter Parents' Cause Long-Term Issues

Overly attentive moms, dads create coping problems when kids grow up

Wandering Gray Wolf Found

Recently released male found 75 miles from mate

A blooming ocotillo sits in the Sabino Canyon Conservation area, one of many beautiful wildflowers native to the region.

Sabino Canyon: Desert Delight

Popular hiking, recreation area alive with color for spring

Lions, Bobcats Focus of UA Research

Grad student keeping tabs on Arizona's big tabbies

Fire Season May Worsen With Budget Cuts

AZ, other Western states facing severe conditions with fewer firefighters

Tucson Pledges to Conserve

Saving water could save money as city considers raising bills

A desert tortoise snacks on a prickly pear fruit. somewhere the Sonoran Desert.

'Desert Dreams:' 5 Seasons of Sonoran Region

New film focuses on unique seasons, plants and animals

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