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

A walker spotted the remains of a seven-arm octopus, the world's largest octopus species, at Forvie National Nature Reserve ...

The animal can reach lengths of 13 feet and weigh up to 165 pounds.

It’s no secret the deep sea is home to some strange-looking animals, so might we introduce you to yet another weirdo: the ...

Arms of the rarely seen species were discovered at an Aberdeenshire national nature reserve.

Dr. Lauren Smith, a marine biologist at research organization Saltwater Life, called the flotsam “an extraordinary find,” ...

The rarely-seen species washed up dead at an Aberdeenshire national nature reserve.

Scientists have discovered at least four new species of octopus in the deep waters of a 100-square-mile area near Costa Rica, officials from the Schmidt Ocean Institute said on Tuesday. An ...