Underwater metal detecting often looks calm, controlled, and safe. But hidden among rocks and shells are some of the most venomous creatures on the planet, including the blue-ringed octopus. In one ...

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 ...

The blue ring octopus is a small animal with a lethal secret. Though small, this poisonous creature carries a powerful toxin that can kill a human being within minutes. What is even more frightening ...