A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became Earth's dominant land ...

Snakes are one of the most feared creatures on the planet. These limbless, cold-blooded carnivores strike terror into the ...

A joint research team has discovered a fossil belonging to a previously unknown genus and species of mammal in the Late ...