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Five hundred million years ago, the Earth saw a huge jump in the diversification of life forms called the Cambrian Explosion.
About 1,100 firefighters are involved in efforts to suppress two Arizona wildfires burning north of the Grand Canyon.
The fire burning at the Grand Canyon is now the largest active wildfire affecting national parks nationwide — and the ...
Grand Canyon's Dragon Bravo Fire spans 16,765 acres with 26% containment, leading to closures and evacuations.
Paleontologists unearthed fossils in the Grand Canyon dating back more than 500 million years that offer a new look into a ...
Recently unearthed fossils from the Cambrian period shed light on a key stage of evolution, when life became much more ...
Rocks gathered along the Colorado River contained evidence of a bustling community of animals in an ancient sea.
Grand Canyon landslide-dam and paleolake triggered by the Meteor Crater impact at 56 ka by a team from the University of New ...
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