This giant cephalopod dwarfed mosasaurs and other massive marine reptiles that lived during the time of the ...

The massive invertebrates may have been top predators, according to an analysis of their fossilized jaws. The work suggests that ancient oceans weren't completely ruled by spine-bearing creatures, as ...

Researchers studying a deep-sea octopus called Muusoctopus robustus have found thousands of the animals congregating at hydrothermal springs near an underwater mountain off California, raising fresh ...

Scientists have uncovered evidence of enormous, intelligent, octopus-like predators that dominated Earth's ancient oceans. These creatures, some up to 19 meters long, possessed bone-crushing beaks and ...

Massive octopuses, some as long as 62 feet, once roamed the oceans during the time of the dinosaurs. New fossil discoveries suggest that these gigantic invertebrates were top predators in the ...

A famous “oldest octopus” fossil has been exposed as a case of mistaken identity. Advanced imaging revealed hidden teeth showing it was actually related to a nautilus, not an octopus. The confusion ...

For 25 years, a hand-sized sea creature embedded in Illinois rock held the title of the world’s oldest octopus. Now, thanks to a machine that shoots extremely powerful beams of light through stone, ...