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.

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 ...

Scientists from the Schmidt Ocean Institute have uncovered an array of remarkable finds off the coast of Argentina, including ...

For a long time, the idea of giant animals has mostly been tied to dinosaurs on land. Oceans feel different, quieter, even though they hide their own deep history. Fossils occasionally hint at ...

On 4 February, scientists operating a deep-sea research vehicle off the coast of Argentina recorded rare footage of the giant ...