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On Monday, they for the first time ever revealed the fur color of extinct mammals: 2 of the earliest-known bats known as Palaeochiropteryx and Hassianycteris.

The fossils were discovered in northern Alaska that at one time were covered by huge forests with lots of plants, as the weather used to be a warmer climate.

Researchers also believe the dinosaur was a variety of hadrosaur, a duck-billed dinosaur that roamed in herds. During the late Cretaceous period much of Alaska was covered in relatively temperate polar forests that were heavily populated by deciduous trees, which lose their...

The mattress is known as for geologist Robert Liscomb, who discovered the primary dinosaur bones in Alaska in 1961 whereas mapping for Shell Oil Co. Researchers teased out differences in the Alaska fossils, Druckenmiller said, by plotting growth trajectories and by comparing them...

Samples of frozen bone were uncovered at the Liscomb Bone Bed in the Prince Creek Formation in northern Alaska. The researchers already have evidence of at least 13 species of dinosaurs taking up permanent residence in this inhospitable place, and they expect to find even more...