March 1 was expected to reach a high of 94 degrees, breaking the record for the hottest day to date for the city of Phoenix.

New research finds that rising ocean temperatures are shrinking cool-water feeding grounds, pushing humpbacks into gear-heavy waters near shore.

The fate of one of the last thriving coral reefs in Florida may be imperiled by plans to widen the shipping channel leading into Port Everglades.

Extra Innings Festival attendees at Tempe Beach Park are facing the season's first 90-degree days, with officials urging ...

Five takeaways from the Miami Heat’s 115-105 win over the Houston Rockets (37-22) on Saturday afternoon at Kaseya Center to snap a two-game skid and open a three-game homestand. Next up for the Heat ...

Mets pitching prospect Ryan Lambert talks about consuming 900 eggs in a month to increase velocity and throw at over 100 mph.

California billionaires like Larry Page are flocking to South Florida and its tax benefits, in turn, inflating home prices ...

Scientists are using studies and computer models to draw connections between recent extreme weather and climate change. The ...

This week’s heat wave in Texas has landed in the record books again. Officials say a temperature recorded at Falcon Dam on the Rio Grande may be the hottest ever recorded in the U.S. during ...

Arizona is waving goodbye to the winter weather as the first 90-degree day Feb. 27 comes as a massive heat wave makes its way ...

As the first day of 90 degrees or hotter arrives in the Valley, opinions are split: Some say it is too soon for the heat, ...

Southern California is no stranger to triple‑digit heat in the summer, but experts say temperatures approaching the 90s in ...