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

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 ...

"But the binding pocket of the octopus receptor, although in a similar spot that the ancestral neurotransmitter sticks to, is very different," Bellono said of the large, sticky surface. "And we ...

The octopus is one of the world’s most amazing creatures, and nothing puts that into perspective more than the physiological differences between these fantastic sea-dwelling mollusks and the creatures ...

While modern octopuses have DNA that consistently gets reshuffled, resulting in some chromosomal mixing, the researchers ...