The giant Metropolitan Water District of Southern California, which supplies water to some 19 million people in our desert, ...

Utah transportation officials can now enact traction laws ahead of a storm, but that's not the only change to the state's ...

Submarine canyons form in places where the seafloor is steepest, redefining how sediments and carbon travel to the depths of ...

If rain falls as forecast, this storm could result in downtown Los Angeles seeing its wettest November since 1985. Heavy rain ...

The federal government shutdown may be over, but Grand Canyon National Park could be feeling the effects long after.

The Canyon's Age Sparks Fierce Scientific Debate Scientists have spent over a century arguing about when the Colorado River first carved through the Colorado Plateau. A diverse set of geologic studies ...

The fires torched what “home” represents — safety, security, consistency, comfort, shared family experiences and self-worth. But, to paraphrase F. Scott Fitzgerald, the rich are not like us. They have ...

“Megaliths represent the earliest form of monumental stone architecture,” write the authors of the new study, and the Menga ...

If weaving and scrambling between towering rock walls through a narrow vertical chasm sounds like a good time, this volcanic ...

A new study reveals that the impact of the Meteor crater may have caused a landslide that flooded the Grand Canyon 56,000 ...

This canyon outside Boulder is a recreational paradise with trails for hiking, biking, and ATVs that will delight novices and experts alike.