A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its back off the coast of New Zealand. When you purchase through links on our ...

On certain remote shores in northern Australia, the line between sea and land is not as firm as it looks. When the tide drains away, a small, mottled octopus hauls itself out of the shallows and ...

Octopuses, along with their cephalopod cousins squids and cuttlefish, are considered to be some of the most intelligent invertebrates out there. They have large brains and are able to quickly master a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. There are many remarkable things about octopuses—they’re ...

Octopuses, they’re just like us: New research suggests the eight-armed cephalopods are also fooled by a version of the rubber hand trick. In humans, this illusion involves covering a person’s hand so ...

Octopuses in the Red Sea often hunt together with other predatory fish—and sometimes hit them. New videos suggest they're keeping fish in line. Day octopuses in the Red Sea team up with up fish to ...

Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...