A study reveals how seasonal brain shrinking helps some mammals survive winter, offering new insights into brain plasticity ...

Fluorescent anatomy, which recently seemed to be a quirk in unusual animals such as platypuses and opossums, was found in most living families of mammals. By Cara Giaimo At first, it seemed to be ...

Millions of years of isolation have shaped Australia's extraordinary mammal fauna into species unlike anywhere else in the ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...