Social mammals are wildly diverse, given that they can be found across all habitats and species. However, a new line of ...

CHAMPAIGN, Ill. — According to a new study, the first louse to take up residence on a mammalian host likely started out as a parasite of birds. That host-jumping event tens of millions of years ago ...

Mammals only have one life to live, but the length of that life varies greatly. While some shrews shuffle off this mortal coil in less than 14 months, bowhead whales can swim in Arctic waters for more ...

An abrupt episode of global warming and major changes in plant and animal life marked the transition between the Paleocene and Eocene epochs about 55 million years ago. Several groups of mammals, ...

WASHINGTON (Reuters) - The asteroid that smacked Earth 65 million years ago wiped out the dinosaurs and paved the way for mammals to dominate, but it took another 10 to 15 million years for the ...

According to a new study, the first louse to take up residence on a mammalian host likely started out as a parasite of birds. That host-jumping event tens of millions of years ago began the long ...