Initial Tests Show No Toxic Waste in San Pedro River
AZ Dept. of Environmental Quality sampled two areas Tuesday after alert that contamination from Mexican mine could potentially make its way north.
Increased Number of Training Flights Coming to Davis-Monthan
More air crews from global allies expected at Tucson Air Force base; noise increase minimal commander says.
Mexican Copper Mine Contamination Spills Into San Pedro River
Authorities in northern Mexico issue a binational alert over mine water leakage in creeks, streams.
Fire Prevention in the Chiricahuas
Chiricahua Mountains assist fire ecology research; they're the largest most biodiverse of Arizona's 'Sky Islands.'
Odile Veers to East, Sparing Tucson; Flooding in Nogales
Government, businesses were prepared, but worst never came about; much activity back to normal.
Tropical Storm Odile Bringing Heavy Rain to Tucson
Aside from flash flood dangers, water is mostly welcomed in Sonoran Desert after years of drought.
Reid Zoo Baby Elephant Makes Media Debut
African elephant Semba gave birth to female calf last week; she weighed in at 245 pounds.
Reid Zoo African Elephant Gives Birth to Female Calf
Semba began going into labor last night to a baby weighing in at 245 pounds; she has not yet been given a name.
Long-Time Colossal Cave Director Uncertain About Her Future at Park
Pima County Supervisor Carroll called for performance audit last summer to assess management of park amid mountain lion shooting.
Solar a Central Issue in Corporation Commission Republican Primary
2 commission seats up for grabs; four GOP candidates seek their party's nomination, face off two Democrats.
Road to Grand Canyon West Now Paved
Project cost more than $30M; will ease access to canyon's Skywalk.
AZ Top in Nation for Solar Energy Per Capita
Study notes state policies such as Renewable Energy Standard have attracted more people to get clean energy; also pointed some setbacks in past year.
Project Hopes to Photograph Jaguars, Ocelots Near Tucson
Camera traps set up at more than 200 places in mountains surrounding the city.
Bighorn Ram Rejoins Catalinas Herd
Arizona Game and Fish says his return bodes well for pack; good mating season, successful lambing season would bolster group.
Teenagers Ask Big Questions at Biosphere 2's Summer Academy
It's a Tuesday afternoon, a group of high school kids are trudging in rubber boots through only mangrove forest in Southern AZ.
