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Lithospheric Drip Helped Green River Cut Through Utah’s Uinta Mountains, Study Finds

Seismic evidence points to a detached mantle drip that briefly lowered the range, opening a path for the river.

Man, 65, Dies After 130-Foot Fall at Grand Canyon West’s Guano Point

Man, 65, Dies After 130-Foot Fall at Grand Canyon's Guano Point

Arizona Deputies Airlift Injured Dog From Canyon at Battleship Rock

Grand Canyon North Rim Begins Phased Reopening After Dragon Bravo Fire Contained

Grand Canyon Sets Oct. 1 Partial Reopening for Select North Rim Areas

Colorado Man Identified After Vehicle Goes Over Grand Canyon Rim

New Study Links 56,000-Year-Old Meteor Impact to Grand Canyon Landslide Dam

Grand Canyon Hiker Dies on South Kaibab Trail During Extreme Summer Heat

Arizona Hiker Rescued After Three Days Trapped in Sedona’s 'Edge of the World' Canyon

Grand Canyon Hiker Dies During Rim-to-Rim Trek Amid Extreme Heat Warning