Grand Canyon

The Grand Canyon (Hopi: Öngtupqa, Yavapai: Wi:kaʼi:la, Navajo: Bidááʼ Haʼaztʼiʼ Tsékooh, Southern Paiute language: Paxa’uipi, Spanish: Gran Cañón or Gran Cañón del Colorado) is a steep-sided canyon carved by the Colorado River in Arizona, United States.

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Rewriting Textbooks: Geologists Uncover New Secrets in the Ancient Layers of the Grand Canyon

Geologists rewrite textbooks with new insights from the bottom of the Grand Canyon

Uranium mine may pose threat to Grand Canyon drinking water

Mars orbiter captures Red Planet scar that's longer than the Grand Canyon (image)

Advocates demand halt to uranium mine near the Grand Canyon

Scientists investigate Grand Canyon's ancient past to predict future climate impacts

The Grand Canyon and Colorado River Are in Crisis

Frenchman mountain dolostone: 500 million-year-old grand canyon rock layer finally gets a name

Mars Express captures images of Mars' 'Grand Canyon', the Solar System's biggest canyon

How can astronauts explore Mars' Grand Canyon, Valles Marineris

20,000 years ago, two American cheetahs fought to the death in a Grand Canyon cave

ExoMars Discovers Hidden Water in Mars’ Grand Canyon – The Largest Canyon in the Solar System

Scientists Just Found a 'Significant' Volume of Water Inside Mars' Grand Canyon

Spacecraft discovers 'hidden water' in Mars Grand Canyon

Scientists spot water ice under the 'Grand Canyon' of Mars

ExoMars discovers hidden water in Mars’ Grand Canyon

Mystery of Grand Canyon's missing rocks may finally be solved

A billion years of geologic history is missing from the Grand Canyon

The Grand Canyon Is Missing a Billion Years' Worth of Rocks. Scientists May Know Why

“Great Unconformity” Puzzle: Geologists Dig Into Grand Canyon’s Mysterious Gap in Time