Giant amphipod species Alicella gigantea, once thought to be very rare, is found to inhabit the majority of Earth's deep ...

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

Researchers exploring the wares of fishers in Vietnam have discovered a “supergiant” sea bug species that they've named for one of the most infamous movie villains of all time. The new find came after ...

Deep in the ocean, where sunlight never reaches, live some of Earth's strangest giants. Imagine a squid as long as a bus or a crab the size of a big plate! This is called deep-sea gigantism, where ...

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

The discovery of a giant sea creature washed up on an Oregon beach recently stunned hikers and scientists alike. The video of the animal, shared on social media, sparked fascination and questions ...

Earth’s oceans cover 71% of the planet, but humans have only explored less than 20% of the seas. Scientists believe there are many undiscovered creatures living in its depths. Some species, like the ...

Nicknamed the “king of the kelp forest,” giant sea bass are among scuba divers’ favorite characters to spot off the California Coast. But very few of these charismatic fish remain. A team led by ...

A one-foot-long juvenile squid was spotted swimming in the waters around the South Sandwich islands. The footage is unprecedented because the mysterious creatures are so difficult to capture on camera ...

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...

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