A new study offers insights into a puzzling piece of the geological history of the Grand Canyon and surrounding regions.
Grand Canyon
Posted inNews
Ignored Paths of Uranium Exposure Illuminated by Havasupai Tribe
An agency-tribal partnership is identifying exposure risks previously not considered in mining risk assessments.
Posted inNews
Grand Canyon Heat May Become More Dangerous
Climate change may double the risk of heat-related illness at Grand Canyon National Park by the end of the century.
Posted inNews
The Great Unconformity or Great Unconformities?
Some scientists think the Great Unconformity was caused by Snowball Earth’s glaciations. Recent work suggests these phenomena might not be related.
Posted inNews
Rastreando Los Misteriosos Manantiales Del Gran Cañón
Mejorar los modelos ayudará a proteger una fuente crucial de agua potable para ambos bordes del Parque Nacional del Gran Cañón.
Posted inNews
Tracking the Grand Canyon’s Mysterious Springs
Improved modeling will help protect a crucial drinking water source for both rims of Grand Canyon National Park.
Posted inFeatures
Will Earth’s Grandest Canyon Keep Getting Grander?
Living in Geologic Time: Rafting through the past, present, and future of the Colorado River and the Grand Canyon.
Posted inResearch Spotlights
Using Sound Waves to Study Grand Canyon Sediment
New technology could help scientists understand how experimental floods from Glen Canyon Dam restore sandbars downstream.
Posted inFeatures
Building Sandbars in the Grand Canyon
Annual controlled floods from one of America's largest dams are rebuilding the sandbars of the iconic Colorado River.