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 ...