These five research-backed insights show why the octopus remains one of the most extraordinary minds in the animal kingdom.

The elusive 'vampire squid from hell' has just yielded the largest cephalopod genome ever sequenced, a monster clocking in at more than 11 billion base pairs – more than twice as large as the biggest ...

The octopus just revealed another one of its secrets: what determines its sex. University of Oregon researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has ...