A new MBARI video showcases Japetella diaphana, a rare open-water octopus that switches between transparent and opaque orange ...

'We show that these animals reached total lengths of up to nearly 20 metres, which may have surpassed the size of large marine reptiles' You can save this article by registering for free here. Or sign ...

Octopuses’ earliest relatives that lived 100 million years ago may have been "gigantic" predators that hunted alongside dinosaurs, according to new research. Although scientists previously believed ...

The top predator prowling the seas during the age of the dinosaurs 100 million years ago may have been the octopus. New analyses of fossilized jaws reveal that massive, kraken-like octopuses once ...

A giant octopus, likened to a mythical creature said to be capable of dragging ships to their doom, roamed the seas during the age of the dinosaurs, according to researchers. Fossils of its jaw ...

Unlike most of its invertebrate peers, octopuses gave up protective shells... But it seems that the sacrifice was totally worth it. Reading time 2 minutes Hundreds of millions of years ago, life ...

While dinosaurs ruled the land, Cretaceous oceans were home to a fierce and enormous octopus species that may have reached up to 19 metres in length, rivalling the size of the largest predators of the ...

Giant octopuses may have ruled the ancient oceans 100 million years ago, when dinosaurs roamed, according to new research. Some of the earliest octopuses are believed to have been powerful predators ...

You’ve probably seen it by now — that Instagram video posted in April 2026 of an octopus hurling rocks at another octopus, paired with a claim that females throw stuff at males who won’t leave them ...

More than two decades after scientists identified a fossil as the world’s oldest octopus — officials now say it wasn’t one at all. A recent study published in the journal Proceedings of the Royal ...

Pohlsepia mazonensis, a visually underwhelming fossil from Illinois, fundamentally broke our understanding of cephalopod evolution. Described in 2000 and hailed as the oldest known octopus in the ...

LONDON — A 300-million-year-old tentacled sea creature has lost its crown as the world’s oldest octopus, after scientists found evidence that it’s not an octopus at all. Newly published research ...