While the claim seems a bit out of this world, new research into their brains continues to show just how alien the octopus is, even if it doesn’t end up being of extraterrestrial origins.

This alien and extraordinarily intimate image provides a rare glimpse of a Caribbean reef octopus (Octopus briareus) mother ...

Normally when you see a story about someone claiming that aliens are hanging out here on Earth its origins can be traced to a misguided conspiracy theorist or crackpot ranting on YouTube.

Octopuses seem to be particularly prone to alien theories. A new paper proposes—based on an old theory—that octopuses might have cosmic origins. The problem is that all the evidence says they ...

Part of the octopus’ charm is in its contradictions: they are surprisingly alien-looking, yet express so much curiosity and problem-solving prowess — human traits if there ever were any.

With its incredible intelligence, shape-shifting abilities, and otherworldly appearance, the octopus is unlike any other creature on Earth. Some scientists even speculate that its DNA is so unique, it ...

Everything about the octopus seems strange — unworldly, even, as some have suggested — compared to other life forms on Earth. Their evolutionary history is thought to go back 330 million years ...