Meet the giant phantom jellyfish. It's over a metre (3ft) wide and has four ribbony arms that trail behind for up to 10 ...

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 ...

A seven-arm octopus was spotted in Monterey Bay in Nov. 6, 2025; the 'rarely seen' deep-sea octopus was spotted by ...

Art often imitates life, and sometimes animals do, too. The enormous jellyfish seen in this YouTube video bears a striking resemblance to the villain from “Star Wars,” but it predates the series by ...

Edie Widder was eating lunch in the mess hall of the Research Vessel Point Sur on Tuesday when her colleague Nathan J. Robinson dashed in. Giant Squid, Phantom of the Deep, Makes Second Video ...

NEW ORLEANS -- An elusive giant squid has made a rare on-camera appearance, delighting scientists on the prowl for the deep-sea creature that until relatively recently had largely escaped the eyes of ...

Jellyfish infestations are troubling tourists and scientists alike. A diver attaches a sensor to a large Echizen jellyfish, Oct. 4, 2005 off the coast of Komatsu in Ishikawa prefecture, Japan. Yomiuri ...

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

SeaWorld San Diego’s newest attraction is an aquarium full of jellyfish species that has guests of all ages feeling like they’ve stepped into an underwater lava lamp with these otherworldly creatures.

Blurring the line between biology and robotics, Chinese scientists are taking biomimicry to new depths with a small, low-energy bionic jellyfish that's so lifelike in form and movement it’s almost ...