Source: Princeton University Press/ Used with permission. Octopuses and other cephalopods are amazing, strange, sentient beings. They have very active social lives and brains—some say octopuses have ...

If you’ve ever wondered what goes on in the minds of ocean creatures, this discovery might make your jaw drop. Scientists have found that octopuses appear to enter a sleep state that looks remarkably ...

As well as being super clever, breaking our hearts in that Netflix show, and even riding sharks, octopuses are pretty famous for having eight limbs. What is even more remarkable is that they can ...

To test their ideas, scientists observed California two-spot octopuses in tanks. They placed males and females on opposite ...

Octopuses may have big brains because of environmental – not social – factors. Large brains in mammals are generally thought to be linked to social behaviour, an idea known as the social brain ...

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 don’t always hunt alone — but their partners aren’t who you’d expect. A new study shows that some members of the species Octopus cyanea maraud around the seafloor in hunting groups with fish ...

It’s not every day that scientists discover a new species of octopus, but that is exactly what has happened off the coast of western Australia. During a CSIRO research expedition to the Carnarvon ...