WASHINGTON (AP) — Humans may be right-handed or left-handed. It turns out octopuses don't have a dominant arm, but they do tend to perform some tasks more often with their front arms, new research ...

An octopus wraps around a diver’s leg during this dive. The contact is unexpected and firm. Movement slows to prevent distress. Octopus behavior is exploratory, not hostile. The moment requires ...

Octopuses are widely known for their intelligence, including problem-solving, tool use, and complex hunting behavior. For years, that intelligence was thought to operate almost entirely in isolation, ...