Deep-sea creatures exhibit gigantism, with football-sized eyes and van-sized sponges thriving in crushing darkness. These ...

Feeding a giant sea creature to my savage pet fish, and it killed it.

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

Scientists on California’s Central Coast recently spotted a giant, evasive seven-arm octopus while on a research expedition ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater ...

Ancient mariners' tales of the terrifying Kraken, a colossal sea monster, have been scientifically linked to the elusive ...

The Metals Company wants to be the first firm to commercially mine the seafloor. The study it funded suggests that mining ...

Scientists on California’s Central Coast recently spotted a giant, evasive seven-arm octopus while on a research expedition in Monterey Bay. The rare creature, called Haliphron atlanticus, was seen by ...

Lanice spongicola lives on a glass sponge, a deep-sea sponge with a skeleton made of silica, that rises from hard rock. The ...

The deep sea around Antarctica just got a whole lot weirder as researchers have discovered at least 30 previously unknown ...

From transparent frogs and egg-laying mammals to deep-sea oddities, here’s a look at animals with unusual features that are ...