Blue, green, amber: Someone’s eye color immediately attracts our attention. But there’s something unusual about human eyes: ...

Axolotls look easy to care for at first. They stay still most of the day, rarely make noise, and often seem fine even when ...

When most people think about playing games with a pet, they probably imagine tossing a ball for a dog or waving a feather ...

Many animals, including humans, rely on their eyes to detect changes in their surroundings. The eyes of vertebrates, animals ...

The box jellyfish is famous for its venom, but its bizarre collection of 24 eyes may be even more remarkable than its sting.

The deep-sea octopus is fully mature despite fitting in a palm, a trait researchers think may help it reproduce faster than ...

The size-eccentricity effect shows that objects in the periphery appear smaller than they are. A new study found that this ...

Echinoderms are those strange, sometimes slimy or spiky creatures that live on the ocean floor—think sea cucumbers, sea ...

The animal kingdom is full of examples of species that can fully regenerate their vision, but unfortunately, humans are not among them. A study highlights that mammals aren’t without some nifty tricks ...