The protein myoglobin provides new clues to the evolution of diving in mammals.
Rats have a strikingly different visual system than our own, one that is carefully attuned to their unique needs.
The box jelly has evolved a central nervous system unlike any other animal on Earth.
Do animals come into the world tabula rasa and only learn things from experience? Or do we emerge with some knowledge already hardwired?
Ever been so scared that you can't move? Well freezing is actually an effective defense mechanism!
It's a fact, we love adorable things, but we still don't really know why.
According to many studies, the rise of agriculture coincided with declines in human height and overall health.
Researchers have found that you can tape record the various calls made by Vervet monkeys and play them back one at a time.
Animals can have some pretty funny and interesting scientific names. See how many you can name!
By synchronizing movements and huddling with one another, Emperor penguins can stay warm in the coldest place on Earth.