Thousands of Dino Tracks Found Along Alaska's Yukon River

Researchers may have just scratched the surface of a major new dinosaur site nearly inside the Arctic Circle. This past summer, they discovered thousands of fossilized dinosaur footprints, large and small, along the rocky banks of Alaska's Yukon River.

In July, the scientists from the University of Alaska Museum of the North embarked on a 500-mile (800 kilometers) journey down the Tanana and Yukon rivers; they brought back 2,000 pounds (900 kilograms) of dinosaur footprint fossils.

"We found dinosaur footprints by the scores on literally every outcrop we stopped at," expedition researcher Paul McCarthy, of the University of Alaska Fairbanks, said in a statement. "I've seen dinosaur footprints in Alaska now in rocks from southwest Alaska, the North Slope and Denali National Park in the Interior, but there aren't many places where footprints occur in such abundance."

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