"During the Mesozoic, mammals were small," University of Georgia Odum School of Ecology professor John Gittleman said in a ...

To see whether this belief is justified, the researchers scoured existing datasets for mammal size data. Their findings suggest that it's not as clear cut as believed. After comparing 429 mammal ...

Birds are often imagined to be less intelligent than mammals, perhaps with the exception of crows and parrots. However, their brains are not as radically different as you might think.

But the mammals did not simply step into ecological roles vacated by the dinosaurs. It took several million years for the mammals to evolve even moderately large body sizes, and the world they ...

Animal antics have captured public attention and viral views across the U.S. in the last few years with the advent of mini ...

Her brain may not work like ours, but I think there's pain. I think there's fear. And certainly stress. We feel connected to her because she's a fellow mammal." Local Masai women regard the dune ...