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

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

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

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

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

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

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

A new report reveals the results of a study exploring biodiversity in a region targeted for seabed mining—capturing baseline ...

The massive megamouth shark is one of just 273 that have been identified since the species was first discovered, making it ...

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

Explore the remarkable similarities and differences between sperm whales and giant squid, from size and behavior to diet and ...