How do you measure climate change? One way is by recording temperatures in different places over a long period of time. While ...

Major heat waves across Southern Europe have pushed temperatures above 40 degrees Celsius or 104 degrees Fahrenheit in ...

On the day in 1990 when temperatures at Phoenix Sky Harbor International Airport reached 122 degrees, air traffic was stopped ...

When the heat arrives, it's important to give your indoor plants a little TLC so they can thrive and not wither in the sun ...

In downtowns, impervious surfaces like concrete and asphalt on roads, buildings, and highways trap heat and emit it later, ...

Summer's high temperature provides gardeners with a challenge. Extreme heat stresses plants and leaves greenery looking ...

An NWS update released on Saturday showed extreme heat warnings are in place for large sections of Arizona along with parts of Southern California.

Ahead of a hotter-than-usual summer, activists are calling for immediate action to protect workers from deadly temperatures.

The WRC was braced for perhaps its most physically demanding test of the season thanks to a punishing blend the WRC’s ...

Before summer even started there were already heat-related and heat-caused deaths in Pima County while last year there were a ...

This summer will be an energy doozy in the U.S. as climate change exacerbates heat waves and a rash of new data centers and ...

Skies will be sunny and dry across Arizona through the weekend, except for a couple of showers in the White Mountains on ...