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, 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 ...

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 ...