Flowers and trees bloomed up to two weeks earlier than normal, suggesting the allergy season will likely be longer and more ...

Were heavy rains enough to pull California out of drought? Here's which areas are still dry and which are drought-free for the first time in 5 years.

Cal Fire released updated maps on Monday showing where wildfires are most likely to occur within the next several decades.

Arizona has an expanding semiconductor sector and the state has made inroads in space travel. The two industries could help ...

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If ...

A new report identifies ways to create resilient water and wastewater systems in historically neglected communities most ...

Daily and monthly temperature records could be broken later this week in parts of the western and central U.S.

NASA's newly launched SPHEREx mission will use software developed at the Arizona Cosmology Lab to analyze data and help ...

Languages: English. A Newsweek map shows the 25 states that have sought to protect abortion rights, using data from the Center for Reproductive Rights. An Arizona judge permanently blocked the ...

The results used the largest 3D map of our universe ever made to track dark energy ... DESI making observations in the night sky on the Mayall Telescope at Kitt Peak National Observatory in Arizona.