The University of Arizona recently launched a new game, in which the public can estimate rain measurements during the monsoon season and win prizes. 

Corporations and nations are touting plans to suck greenhouse gases out of the air. But the crucial priority this decade is slashing emissions.

An East Troublesome-like fire seems inevitable for Vail, Aspen and other resort communities

A decades-long drought is taking its toll, causing water to disappear and causing a snow drought in the western part of the United States.

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.

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

Some say a bad day without coffee is better than a good day without it.

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

The problem is, it’s unclear if “carbon offsets” even work.

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

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