The EPA's decision on the Valley's ozone nonattainment issue could have big impacts on public health and the local economy.

Severe weather threatens the mid-Mississippi Valley and Southeast this weekend, with possible hail, and isolated tornadoes. Newsweek's live blog is closed.

In today's Daily Briefing we report on the departure of a key member of the local Blue Zones initiative's team, a major drone ...

In the heart of Phoenix lies a thrifter’s paradise that defies the typical secondhand shopping experience. The White Dove ...

The top men’s and women’s racers received their first glimpse of the redesigned Sun Valley downhill course in a training run ...

A foot of fresh snow makes skiers rejoice. But for Riley Berman, chief of course for the FIS Ski World Cup Finals at Sun ...

Arizona is known for having gorgeous sunsets because of the climate conditions. But do you know what the rarest sunset colors ...

The Arizona State Sun Devils football program ... coach Kenny Dillingham and Sun Devils fans throughout the Valley of the Sun could not be happier. Tyson is the leading returning receiver in ...

The Coconino County Sheriff’s Office is asking for the public’s help in finding three women who were last seen on an Arizona interstate during winter weather last week. On the first day of ...

Three of the victims involved in the shooting reportedly fled the scene and were found at two different locations in the Valley ... Arizona State announced that it had hired Miller to take over ...

For a quick and easy family-friendly sunset hike, there's perhaps no place better than the Water Ranch Lake Loop at the ...

A new report identifies ways to create resilient water and wastewater systems in communities hardest hit by climate change.