The University of Colorado team behind the discovery has been digging just outside of Rangely, Colorado for 15 years and ...

A previously unknown muskrat-sized mammal species was discovered through a 72-million-year-old fossil uncovered near the Utah ...

Paleontologists have discovered fossils of Heleocola piceanus, a swamp-dwelling mammal that lived around 75 million years ago ...

The study stated that the mammal living with dinosaurs exhibited characteristics "suggesting a diet more in line with ...

A team of paleontologists have discovered a fossil in northwestern Colorado that reveals a new kind of mammal that lived ...

The animal lived about 70 million to 75 million years ago in a part of the state that would likely have been a swampy environment.

A new exhibit at the Milwaukee Public Museum explores MPM’s history and explains why opening a new museum is essential.

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This is the hilarious moment two women try to figure out if a woodland creature near them is a muskrat or a beaver, and are promptly chased away by the muskrat.