A deep-sea mining test shows ecosystem damage can begin immediately, with more than one-third of seafloor animals lost in a single pass.

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company.

The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen around 250 meters below sea level ...

Scientists spotted a rare jellyfish with huge ribbon-like arms deep in the ocean, where dozens of possible new sea species ...

Rare footage captures the giant phantom jellyfish off the coast of Argentina, one of the least-seen deep-sea creatures, ...

Scientists have recorded rare footage of a giant phantom jellyfish off Argentina’s coast. The deep-sea creature, with arms as ...

A giant oarfish was found by the residents of Guinayangan, Quezon floating at the Guinayangan Municipal Fishport.

ROV pilots managed to capture video of the giant sea creature, officially known as Stygiomedusa gigantea, swimming approximately 830 feet below the water’s surface.

The marine biologists of the Schmidt Ocean Institute are a busy bunch. Over the last few years, scientists aboard the research vessel Falkor (too) have spotted rare Antarctic squid, discovered ...

In the mesmerizing footage, captured via an autonomous submersible known as ROV SuBastian, the Goliath sea jelly is seen ...

The curious minds at What If reveal the scariest ocean creatures you never knew existed, exploring deep-sea predators, bizarre adaptations, and unseen terror.

An officer with the Austin Animal Services successfully took part in a beaver rescue, helping a stranded beaver that was ...