Down in the midnight zone, where light fades to nothing, a single breath becomes a long commitment. Sperm whales slip beneath the surface and vanish into cold pressure that would crush most animals.

Deep-sea researchers have discovered a new squid species. This squid buries itself in the seafloor. It waves its tentacles like plants. This is a new form of aggressive mimicry. The squid uses this to ...

Trawlers off Taiwan caught a deep-sea predator with “very large” eyes and discovered a new species, a study said. Getty Images/iStockphoto Around an island off mainland Taiwan, shrimp trawlers hauled ...

Discover 15 unbelievable transparent animals that actually exist on Earth. See nature's most ghostly and rare creatures.

Add Yahoo as a preferred source to see more of our stories on Google. It looked like a shadow at first — but after several minutes, a rare species of deep-sea shark had swum by an underwater camera 54 ...

The deep sea is cold, dark and under immense pressure. Yet life has found a way to prevail there, in the form of some of Earth's strangest creatures. Since deep-sea critters have adapted to near ...

Add Yahoo as a preferred source to see more of our stories on Google. Performing vertical migration is the essential process required for nocturnal feeding. The ocean is home to some of the creepiest ...

This octopus can brood its eggs for nearly four years without eating. Here’s how this biological extreme has reshaped how ...

Around an island off mainland Taiwan, shrimp trawlers hauled in their nets and started sifting through their catch. A deep-sea predator with “very large” eyes caught their attention — and for good ...