Among the ocean's most dangerous creatures, size isn't everything; in fact, some of the smallest marine animals are among the ...

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

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 ...

Recent reports highlight two extremes of animal capabilities — the blue-ringed octopus, a tiny but lethally venomous marine creature, and a range of species displaying remarkable intelligence. From ...

When they're alarmed, blue-lined octopuses display iridescent blue rings on their arms to ward off approaching predators. Totti via Wikimedia Commons under CC BY-SA 4.0 Animals have evolved many ...

Octopuses have often been thought to prowl the seafloor solo using camouflage. But a new study suggests that some have surprisingly rich social lives. A new study found that some members of an octopus ...

Aquatic Animals Mystery of golden orb found in depths of ocean off Alaska finally solved: 'Everyone was like, What the heck? What is that?' Rivers & Oceans Glowing ring of plankton surrounding New ...