A Museums of Western Colorado volunteer’s discovery in 2018 of a jawbone fragment in a block of sandstone previously collected outside Rangely has contributed to scientists discovering a previously ...

Mammals feed using a jaw hinge formed by dentary and squamosal bones. Fossil evidence reveals that this type of joint evolved independently in an extinct species of mammalian relatives called ...

The discovery of new cynodont fossils from southern Brazil by a team of palaeontologists has led to a significant breakthrough in understanding the evolution of mammals. These fossils, belonging to ...

Illustration showing Repenomamus robustus as it attacks Psittacosaurus lujiatunensis moments before a volcanic debris flow buries them both, ca. 125 million years ago. (Michael Skrepnick via ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Two brand-new species of early mammals from the Jurassic period have ...

A fossil in South Africa is evidence that therapsids, one of our ancestors, were laying eggs 252 million years ago. You can’t make a mammal-ette without laying some eggs. The duck-billed platypus wasn ...

Researchers have uncovered the fossil of an early mammal named the "crazy beast" that lived 66 million years ago on Madagascar, and it's unlike any mammal ever known, living or extinct. Researchers ...

The exhibition, “The Age of Mammals and Ice,” will be on display at the Boonshoft through May 7. SUBMITTED PHOTO BY KRISTY CREEL The exhibition, “The Age of Mammals and Ice,” will be on display at the ...

You can’t make a mammal-ette without laying some eggs. The duck-billed platypus wasn’t the only mammal to lay eggs. Analysis of a fossil in South Africa proves that our mammalian ancestors were ...