The newly named rock layer has lain hidden in plain sight throughout the Grand Canyon for millennia, but -- until now -- geologists had not named it or studied it in detail. The Grand Canyon is ...

“You have a piece of the Grand Canyon right here ... where the continuity of different rocks from different periods gets interrupted by a layer of sandstone, is also found in both locations.

Geologists in Tasmania — an island off the coast of Australia — were stunned to discover rocks that contained a geochemical ...

but novice hikers may want to check out other rock art styles first. This is simply because of how arduous hikes in the Grand Canyon can be. "The Grand Canyon is like a giant layer cake,” Christensen ...

Just getting to the overlook is a challenge; the road is unpaved and studded with rocks that require a high-clearance vehicle. (Related: This new park gives different views of the Grand Canyon ...

Baaj Nwaavjo I’tah Kukveni yields views of the Colorado River and Grand Canyon from a different perspective ... Kanab Plateau/Northwest Parcel and Rock House Valley/Northeast Parcel, are ...

"The Tonto Group of Grand Canyon holds ... ages for each layer in the succession and for the transitions between trilobite biozones," said Schmitz, "we are finding that different trilobite species ...