What is a placental mammal? Learn more about placental mammals and how having a placenta may have been an evolutionary advantage for mammals.

Before bats could fly, they used hand-like limbs. Scientists now reveal how evolution transformed those hands into wings.

Mammals have developed some unusual eating habits over the past 100 million years, but a new study has uncovered the ...

Two new papers analyze fossils found in Canada and Kenya, respectively—vastly different environments for the preservation of ...

Proteins from an ancient rhino tooth unearthed in the Canadian Arctic have allowed scientists to look much deeper into the ...