Tiny mammal fossil estimated to be 73 million years old Paleontologists, including CU Boulder professor Jaelyn Eberle, collect sediment samples in northern Alaska that later lead to the discovery of a ...

There, the ice mouse likely weathered as much as four months of unending darkness in the winter and temperatures that fell below freezing. “These guys probably didn’t hibernate,” said Eberle, curator ...

Paleontologists, including CU Boulder professor Jaelyn Eberle, collect sediment samples in northern Alaska that later lead to the discovery of a new mammal that lived during the time of the dinosaurs.