There are some remarkable animals with see-through bodies you may not have heard of. The glass frog has a transparent and translucent body, making its internal organs like the heart, liver, and ...

Deep-sea creatures often look more like science fiction monsters than marine animals. The glass octopus is one such animal. The Schmidt Ocean Institute captured this footage of the incredibly rare ...

Hundreds to thousands of feet below the surface of the ocean, beyond where sunlight can reach, another world exists. It’s called the twilight zone and the animals here vary from microscopic to very ...