Most people have never heard of the rare, seven-armed creature MBARI recently filmed in the deep sea. Watch footage of it ...

What appeared to be tentacles washed up on an Aberdeenshire beach are the remains of a deep-sea creature called a seven-arm octopus, say experts. A local member of the public spotted the arms with ...

Filmed deep off California, a rarely seen seven-arm octopus emerges from ocean darkness, revealing surprising size, unusual feeding habits, and how much of the deep sea remains unexplored by ...

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

A group of “rarely seen” Gervais’ beaked whales was recently spotted near Madeira, a Portuguese archipelago, photos show. Screengrab from the Magic Dolphin ecotour agency A mysterious group of ...

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...

Drones often capture footage of great whites and other sharks swimming in the shallows near beaches. Most sharks can be found in the upper sectors of the Earth’s oceans – but did you know that there ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...