Beyond factors like genetics and environment, animal personality is also shaped by something more fundamental: the species ...

It's easy to think of pupils as simple holes that widen in the dark and shrink in the light. But if you look across the animal kingdom, you'll see a variety of pupil shapes: vertical slits in cats and ...

Scientists once assumed that evolution would eventually force every member of a species to behave in more or less the same way, settling on a single "perfect" strategy for survival. However, modern ...

CNN — Some warm-blooded animals are experiencing shifts in their body shapes, likely as a response to the pressures of climate change, according to a new review of existing research. Animals are ...

Some warm-blooded animals are experiencing shifts in their body shapes, likely as a response to the pressures of climate change, according to a new review of existing research. Animals are getting ...