Tiny "ice mouse" survived Arctic cold in the age of dinosaurs

Boulder CO (SPX) Aug 11, 2023

Paleontologists working in northern Alaska have discovered a tiny fossil mammal that thrived in what may have been among the coldest conditions on Earth about 73 million years ago. The researchers, led by Jaelyn Eberle of the University of Colorado Boulder, described the Late Cretaceous animal in a study published this month in the Journal of Systematic Palaeontology. They gave it the scientific