Known as Dalhousiella yabukii, the worm resides inside a glass sea sponge—a simple marine animal that forms a glass-like skeleton—in the cold, dark waters off the coast of Japan. And it’s just one of ...

We've mapped the surface of Mars in more detail than the bottom of our own oceans. Over 80% of the seafloor remains unexplored, and the creatures that live down there make science fiction look ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

Researchers have discovered multiple rare and new species in previously unexplored caves in Cambodia, including a flying snake and a florescent-turquoise pit viper. Those creatures were found during a ...