'You put yourself in incredible peril': Extreme heat can be deadly for border crossers, officials warn

In the scorching heat, against the backdrop of a vehicle barrier separating the United States from Mexico, officials from federal agencies in both countries came together to explain the dangers of crossing their shared border.

Insects benefiting from early monsoon rains

Termites and mosquitoes are among those going through seasonal life cycles.

Announcing the UArizona Native American Advancement, Initiatives, and Research web portal

We are excited to announce that the UArizona Native American Advancement, Initiatives, and Research web portal for Indigenous programs, research, partnerships and pathways is now live

UArizona Receives $1.3M Federal Grant to Study Synthetic Chemicals Posing Risk to Regional Aquifer

University of Arizona researchers will track emerging contaminants in soil surrounding groundwater resources.

As climate warms, a rearrangement of world’s plant life looms

Scientists are seeing the beginnings of a sudden, disruptive rearrangement of the world’s flora.

Will fire change Arizona's desert ecosystem forever? Researcher studies regrowth after Bighorn Fire

A University of Arizona researcher is studying how fire affects the Sonoran Desert to help our rural/urban interface communities from increasing fire dangers in the future.

OPINION: Cities must plan for heat resilience now

Shocking heatwaves in the U.S. Pacific Northwest and Canada show preparation for climate-driven extreme heat needs work - fast

Scientists disagree on climate change pushing trogon's decline

This year’s sharp decline of elegant trogons in the face of record drought “is just another piece of the overall jigsaw puzzle that is alarming or should be alarming, regarding climate change,” as Southern Arizona naturalist and trogon researcher Rick Taylor sees it.

Mega-dairies, disappearing wells, and Arizona’s deepening water crisis

When wells run dry in the Willcox basin those who can afford to just dig deeper – leaving homes high and dry as the aquifer is drained.