Guide to the Arizona monsoon: Dust storms, lightning and safety tips for first-timers

You breezed through your first winter — we know, 75 degrees and sunny in January was tough — but you did it. You really liked spring, when you were able to get outside, and even though it's starting to get a little toasty now you're thinking you can handle summer. Because, really, how much hotter can it get?

How to deal with monsoon season in Arizona

Coming to Tucson as an incoming University of Arizona freshman or transfer student means it is safe to say you will most likely not have to deal with your homework getting sucked up by a tornado, your dorm collapsing from a magnitude 8 earthquake or your Uber getting swept away by a tsunami on its way to pick you up.

Science Is Collateral Damage Across the Trump Administration

The White House last week ordered hospitals to stop sending coronavirus-related data to a publicly available database at the U.S. Centers for Disease Control and Prevention, prompting confusion and concern among public health professionals. The administration simultaneously announced plans to set up a new system that officials say will also be open and searchable and help agencies more nimbly direct resources where they’re most needed. Yet scientists detected in the chaos evidence of a more worrisome pattern.

Blackened runoff seen in Tucson-area wash may be just the beginning, flood experts warn

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.

Charrovida reopens with plant-based menu, philosophy

The pandemic has given some businesses, including Carlotta Flores’s year-old Charrovida restaurant on the northwest side, time to rethink their game plan.

A Bird Named for a Confederate General Sparks Calls for Change

McCown's longspur has launched a renewed reckoning over the troubling histories reflected in some species names.

At monsoon time, Tucson's toads go looking for love — and maybe a swim

Bighorn Fire nearly out but ecological trouble lies ahead

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.

Multi-University Center Aims to Minimize Mine Tailings Risk

Increased concern over the sustainability of handling mine waste has led to a joint venture dedicated to mine tailings research and education.