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A baby Sonoran desert tortoise.

Best Pet for Sonora? Desert Tortoises Up for Adoption

Nearly 100 captive-born tortoises up for adoption to homes in Sonoran Desert.

A Q&A With Author Stephen Pyne

Pyne, who will be at the Tucson Festival of Books, has penned a series on wildfire based on region.
The town of Cameron, Arizona.

Navajo Nation Maps Drought with NASA Satellites

Tool can help observation of vast area and diverse ecologies.
Mel Johnson Jr. portrays an American legend in "Frederick Douglass: In the Shadow of Slavery".

Frederick Douglass Celebrated Onstage

Also on Arizona Spotlight: The imperilled future of Bears Ears National Monument; and Tucson author Edie Jarolim shares travel adventures in new book.

Study: Higher Temps Affect Colorado River as Much as Precipitation

Research shows high temperatures took 500,000 acre-feet from river since 2000.
A Mexican gray wolf

Wildlife Officials Pleased With Growing Mexican Gray Wolf Count

Wolf count rebounds to 113 after drop the previous year.
Physical theater performer and mime artist Rick Wamer in his stage creation "Genesis".

Mime Evolves with "Tales of Transformation"

Also on Arizona Spotlight: Native American protests against DAPL continue; Adiba Nelson on "Black Futures Month"; and acclaimed pianist Nino Bakradze.
Smokestacks emit smoke into a blue sky.

Arizona Scientists On Edge Over Trump Environment Promises

President promised to relax or eliminate many environmental protections.
Snow on the Continental Divide, Rocky Mountain National Park, 2008.

NASA: Measuring Dust Can Improve Snowmelt Predictions

Better data allow better forecasts, preparations for spring runoff to Colorado River.
A Costa's hummingbird perches on a branch.

2017: The Year of the Hummingbird

Tucson Audubon Society holds a big celebration for the little bird.

O'odham Leaders: Plan to Build Border Wall Desecrates Sacred Land

Also on Arizona Spotlight: UA archaeologist shares new understanding of the Mayan civilization; Tucson author collects essays about Mormon women's experiences; Tucson Audubon Society pays tribute to hummingbirds.

Inside the Arizona Highways Wildlife Guide

Also on Arizona Spotlight: From the Women's March to a Political Movement; Géza Röhrig's Holocaust Remembrance
Boulder Basin at Lake Mead.

Satellites Reveal Shrinking Water, Bare Shorelines in Lower Grand Canyon

The drought-driven changes could affect recreation and wildlife.
A view from the Lake Mead side of the Hoover Dam.

Shrinking Lake Mead Water Levels Could Trigger Official Shortage

50 percent chance for cuts to water shares.
The U.S. Forest Service allowed fire to burn more than 73,500 acres in northern Arizona last year.

NAU Study: Some Success In Pine Forests With Managed Wildfires

Moderate-severity fires can restore historical conditions in certain areas.
Image of a large fissure discovered 45 miles north of Tucson, published Jan. 23, 2017.

Deep, Two-Mile Fissure Discovered Near Picacho Peak

Fissures are deep cracks in the earth caused by over pumping of groundwater.

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