It's no secret that Phoenix is hot, but late summer and the start of fall were scorchers, even by Valley of the Sun standards. Between Sept. 23 and Oct. 14, Phoenix set daily record high temperatures ...

The reliable performance of PV modules is heavily influenced by the climate conditions in deserts, which include factors such as irradiance, temperature, humidity and dust soiling. Image: DEWA R&D. A ...

The West’s recent heat-driven megadroughts are unprecedented in at least 500 years, new research shows. “Hot drought” — when extreme drought and heat occur simultaneously — has increased in severity ...

In the heart of the Mojave Desert, far from snowcapped peaks or roaring rivers, a narrow crack in the rock has quietly stored ...

Along the dry shores of northern Kenya, a long turquoise lake quietly records the tug of deep forces. Lake Turkana looks ...

Even in the heat of a Palm Springs summer, night used to bring some relief. Not so much any more. The number of abnormally hot summer nights has gone up dramatically since the 1980s, thanks to climate ...

To assess risk from heat, scientists use the "wet bulb temperature," looking at the point where the human body isn't able to let enough heat out. When you purchase through links on our site, we may ...

On a recent sunny afternoon in Lancaster, Cassandra Hughes looked for a place to cool down. She set up a lawn chair in the shade at the edge of a park and spent the afternoon with a coloring book, ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Kate Linebaugh: A little over a year ago, Alex Stockton bought a one-Way ticket ...