As a Top 10 National Park, the Grand Canyon National Park is one of the top destinations in the U.S. The South Rim of t ...

A gig as a shuttle driver for Grand Canyon river rafters led Kelly Burke to a life of science and conservation.

Researchers are uncovering how underground water systems sustain the Grand Canyon and how they are changing over time.

The compact itinerary promised treks along some of the park’s most famous trails, taking us below the rim — something done by ...

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

By Will Dunham April 17 (Reuters) - The Grand Canyon is a marvel on the landscape of North America, a breathtaking geological ...

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

Hikers, mountain bikers can now use the trail to travel between the two neighborhoods.

A new hiking trail in San Diego’s Ruffin Canyon is now open, connecting the neighborhoods of Serra Mesa and Mission Valley ...

No reservations? No problem.

Near Flagstaff, Arizona, this enchanting forest trail leads hikers through cool alpine air, dense evergreens, and storybook ...