Octopuses have more than one heart and they're not the only animal that does. Here's how many hearts squids and octopuses have and why they need them.

Researching the roughly 300 octopus species offers benefits from understanding the evolutionary origins of the human brain to imagining an alien form of intelligence.

Octopuses are some of the most amazing creatures of the ocean, and among them– some can grow to giant sizes! This article ...

Octopus facts: 5 incredible tidbits you didn't know about the cephalopod What octopuses eat depends on what species they are and where they live.