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 ...

A team of Japanese scientists were honored with the Ig Nobel Prize in physiology on Thursday for their groundbreaking discovery that mammals, including humans, can absorb oxygen through their rectums.

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 ...

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 ...

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 ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

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 ...