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'Excessive Heat' Warning Remains in Effect in AZ

Temperatures to 116 Sunday, with limited outdoor activity advised; monsoon coming, but not soon enough.
10/17/12. Rebecca Brukman. Image of landscape, featuring cloud cover, after monsoon.

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
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
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
Once a flourishing part of the Coronado Forest, charred tress stand near Portal Arizona. A reminder of the Horseshoe 2 which fire ripped thorough thousands of acres of forest in the summer of 2011.

Horseshoe 2 Fire, Two Years Later

Chiricahuas blaze scorched 200,000 acres; recovery slow
A bright red bird sits perched on a tree branch.

Festival for Feathered Friends

International Migratory Bird Day along San Pedro River
A bee sits on a blooming flower.

Buzz on Bees: They Communicate

Researcher studies their ways to aid computer, robotic networks
Condor 23 on the South Rim of the Grand Canyon

Condor Reintroduction Faces Setbacks

7 deaths since Dec.; lead poisoning to blame for some
Here we have the exterior of Biosphere 2 which is illuminated by a beautiful, golden sunlight.

Focusing on Planet Earth

Biosphere 2, annual Earth Day raising awareness
Water levels at the Colorado River basin.

Report Calls Colorado River 'Most Endangered'

Demand; drought threaten waterway; but some are optimistic it can be restored
Elissa Fazio and other Hummingbird Monitoring Network volunteers are uncovering the secrets of hummingbirds.

The Hummingbird: A Love Story

Tiny creatures help researchers, volunteers piece together climate puzzle
Mexican gray wolf, Canis lupus baileyi

Reintroduction of Wolves Remains Contentious

Supporters cheer Mexican gray's recovery; cattlemen still opposed

UA Develops iPhone Dust Storm App

Free download gives user real-time info on issues anywhere in US
Aureum Chaos, a region on Mars, photographed March 20, 2013 by HiRISE, a University of Arizona experiment on the Mars Reconnaissance Orbiter.

Learning From Asteroids Pummeling Mars

UA HiRISE camera documents space-rock strikes on red planet

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