Climate was an easy, low-cost product to sell in Arizona's early years, before rising temperatures changed the landscape's ...

Explore the surprising connection between heat and biological aging. Learn how climate change impacts aging at the cellular ...

Copper retains much of the luster that lent Arizona the unofficial nickname "Copper State," and is king in rural Greenlee ...

A study published this week in the journal Science Advances makes the case that extreme heat is aging millions of Americans more quickly than their counterparts in cooler climates. The impact of ...

La Niña hangs on or returns: If La Niña were to linger or make a comeback for 2025-26, we could be looking at a very similar ...

Extreme heat may have a bigger impact on biological ageing than smoking and drinking alcohol, research suggests. View on ...

Minnesota’s AG called the case against environmentally responsible investing “silly. But we got to stand up and never shrink ...

Ten UC researchers and 14 alumni have been selected for one of the highest honors in the field of engineering.

The Biden administration pumped millions into conservation contracts to keep water in Lake Mead. The Trump administration reportedly froze them.

The EPA says Phoenix-area air quality has worsened to “serious” levels, a designation that would trigger growth restrictions, ...

A live-updating map of novel coronavirus cases by zip code, courtesy of ESRI/JHU. Click on an area or use the search tool to enter a zip code. Use the + and - buttons to zoom in and out on the ...