Researchers say the ancestral Colorado River formed an ancient lake in northern Arizona roughly 6.6 million years ago, which ...

Utah’s Nine Mile Canyon, hailed as “the world’s longest art gallery,” displays ancient petroglyphs and rock art and presents ...

There's more behind the Grand Canyon's striped layers than meets the eye, and some of the best places to see them aren't from ...

A new study suggests a proto–Colorado River filled a large basin before spilling westward to set the Grand Canyon’s modern ...

One hundred years after John Wesley Powell’s historic trek down the Grand Canyon, National Geographic went on a commemorative ...

U.S. News Insider Tip: Zion Lodge offers a large grassy area in front that is a popular place for picnics and post-hike relaxation. Beer, coffee drinks and light snacks are available to purchase ...

Grand Canyon National Park —The main pipeline providing water to the Grand Canyon National Park has failed after a series of breaks, leading to a sudden and sweeping shutdown of overnight hotel stays ...

Fran Lemos, a longtime resident of American Canyon and its unofficial ambassador to many, died on Monday at the age of 97.