Scientists still have much left to learn about the creatures, even as hundreds of thousands of them wash ashore.

A deep-sea mollusk, Catillopecten margaritatus, lost its sight and adapted to bacteria and chemicals to survive in extreme ...

The ocean covers more than 70% of our planet’s surface, yet we’ve explored less than 5% of it. Below the sunlit waves lies an alien world of crushing pressure, eternal darkness, and bone-chilling cold ...