Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising ...

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...

Nature always has the potential to outdo human imagination. From across oceans, forests, deserts, and isolated islands, there are actual living creatures strange enough to appear mythical. They have ...

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

Learn all about the unmistakable pilot whale, from their diet and size to life in the pod and why, sadly, they're prone to ...