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A mess of black gunk, ash, tree limbs and brush appeared out of nowhere in the Cañada del Oro Wednesday evening near Catalina, oozing downstream a few miles north of Oro Valley.
The pandemic has given some businesses, including Carlotta Flores’s year-old Charrovida restaurant on the northwest side, time to rethink their game plan.
Firefighters have mostly contained the Bighorn Fire, which has consumed more than 119,000 acres of the Santa Catalina Mountains since a bolt of lightning set the blaze off on the night of Friday, June 5.
Increased concern over the sustainability of handling mine waste has led to a joint venture dedicated to mine tailings research and education.
If you’re someone who enjoys solving puzzles or loves a good challenge than I have an absolute treat for you. Your mission should you choose to accept it – is to find a lizard cleverly hidden in these broken branches.
Amid protests against racism, scientists move to strip offensive names from journals, prizes, and more
The cause of the drop in water levels at Quitobaquito Springs is complicated, experts say.
The center, since 1989, has helped address the state's most pressing environmental contamination sites.