This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses ...

The octopus is typically found in shallow reefs and tidepools, so humans could encounter 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 ...

In June 2024 and for years, rumors have spread that a very small, beautiful octopus covered in blue rings has enough venom to kill 26 adults within minutes: The neurotoxin causes progressive paralysis ...

Immune System A teen's classic diabetes symptoms didn't improve with treatment — revealing she also had a much rarer syndrome Aquatic Animals Mystery of golden orb found in depths of ocean off Alaska ...