Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

A distinct striped pattern on a species of octopus varies from one individual to the next, which could help researchers monitor the rare animal. Pygmy zebra octopuses (Octopus chierchiae), also known ...

A new study has shown octopuses' sleep might be more like humans than initially thought and could even include dreaming. The study found octopuses have a sleep pattern similar to REM where most ...

Camouflage isn't the only way cephalopods have evolved to change their appearance. Octopuses and other cephalopods make the fastest transformations in the animal kingdom. Here, a giant Pacific octopus ...

An undated handout picture released on May 22, 2026, by the Charles Darwin Foundation shows a newly discovered blue pygmy octopus off the Galapagos Islands. Patrolling the deep waters of the Galapagos ...