The Grand Canyon, one of the most iconic geological formations on Earth, may hold deeper secrets about our planet’s history ...

A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake ...

Spanning three quarters of a mile and almost 600 feet deep, Meteor Crater was blasted by a nickel-iron meteorite roughly the ...

A massive landslide would have dammed the Colorado River, forming a deep lake that has since dried up. A meteorite impact ...

About 2,000 feet deeper than the Grand Canyon, Hells Canyon was rapidly carved when a lake spilled over about 2.1 million ...

Cutting‑edge dating reveals driftwood high in Grand Canyon caves 55,250 years ago when a meteor’s shock wave blocked and ...

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico ...

Karst is a type of rocky feature such as a cave or sinkhole that forms in dissolvable rocks. ... Northern Arizona University. (2020, January 23). Mystery of Grand Canyon's water supply. ScienceDaily.

Two new species of so-called pseudoscorpions have been discovered in a cave on the northern rim of the Grand Canyon. The elusive creatures, which have adapted to their lightless environment by ...

It's been an icon of the majesty of nature, a popular subject of photography and a must-see vacation destination, yet the Grand Canyon's exact age has long been a mystery. IE 11 is not supported.

The flash flood struck Havasu Canyon, a tributary canyon, about 30 miles west of Grand Canyon Village, Arizona just before 1:30 p.m. on Thursday, USA TODAY reported.