Octopuses have a way of making familiar rules feel optional. They live on Earth but behave like visitors with a different ...

The algae octopus (Abdopus aculeatus), also called the prickly octopus, lives in the Indo-West Pacific. Despite its modest size — its mantle (main body) is only 3 inches long with arms stretching up ...

While it seems like researchers are finding new fossils all the time, it is actually quite rare for an animal to become fossilized. The vast majority of all animals that ever lived do not become ...