New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

The catastrophic fires in Los Angeles are far from extinguished, but the blame game is already raging. Apocalyptic images of entire communities returned to ash have been interspliced with a steady ...

It’s not just Florida and California — from poisoned water supplies to infrastructure issues to polar vortices, Holly Baxter ...

Some insurers may be more willing to cover houses if the owners try to reduce wildfire risks, say insurance experts.

Schools were closed and emergency crews deployed on the volcanic Greek island of Santorini on Monday after a spike in seismic activity raised concerns about a potentially powerful earthquake.

The Arizona Department of Transportation announced that the I-10 about 15 miles from Benson is closed on Westbound lanes ...

Here's what we know about the Texas Fire burning about 15 miles east of Benson along Interstate 10 in southern Arizona.

Large wildfires in the desert were once rare. Now experts worry that invasive plants and a changing fire cycle are putting ...

Tempe park rangers cited a volunteer for serving food to the homeless at a popular gathering spot called "The Hill" at Mouer ...

Trump's pledge to pump more water in California came after a reduction in pumping at a federal facility due to maintenance.