When the KT extinction event took out 80% of life on Earth, it left open a wide variety of environments for the relatives of modern mammals to take over. Eventually, these mammals dominated the Earth ...

Although this might start a lively discussion with an entomologist or invertebrate biologist, it is commonly stated in print (and various other types of media) that mammals are the dominant types of ...

Mammals have been discovered to have a secret superpower: nearly all species glow in the dark. Before now, it was thought that only Australian marsupials such as platypuses, wombats, Tasmanian devils ...

Researchers reveal new insights into the complex evolutionary history behind the distinctive upright posture of modern placental and marsupial mammals, showing the transition was surprisingly complex ...

Paleontologists have uncovered a previously unknown prehistoric mammal species that was among the largest of its time. The partial remains of the newly identified species were originally collected ...

UChicago paleontologists use CT scanning and simulations to show how a 250-million-year-old mammal predecessor could hear ...

When dinosaurs ruled the Earth, we tend to think of the mammals at the time — including our distant ancestors — as small and quivering in the shadows. "We've always had this picture of mammals as the ...

Researchers have examined a 10 million-year-old fossil to identify the carnivoran mammals that lived in the world’s tallest mountain in northern India. The discovery provides insights into the ...

Mammals, including humans, stand out with their distinctively upright posture, a key trait that fueled their spectacular evolutionary success. Yet, the earliest known ancestors of modern mammals more ...