Unprecedented numbers of the common octopus have been found in British waters this year, but what’s behind the rare ‘bloom’?

Octopuses are capable of sophisticated tasks, from solving puzzles to decorating their dens to remembering people's faces. So when a company in Spain announced that it wanted to commercially farm ...

A mother octopus broods her eggs near a small outcrop of rock unofficially called El Dorado Hill. When a female octopus broods (which can be a timespan of multiple years), she does not eat and dies ...

Octopuses can flip from mottled rock to smooth sand in less time than it takes a human to blink, yet their eyes carry only a ...

The octopus is a striking creature. Their most defining feature, of course, is their eight arms. A new study of octopuses has now documented exactly how those eight arms are used in the wild.

(CNN) — A study of octopus DNA may have solved an enduring mystery about when the rapidly melting West Antarctic ice sheet last collapsed, unlocking valuable information about how much future sea ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

In the new Prime documentary series “Octopus!” actress Phoebe Waller-Bridge spends an hour and a half narrating a story about an octopus named Doris that sets out on her own, falls in love and ...