they were able to spot four Nautilus Belauensis. The species dates back over 480 million years ago. Not only was the "marine mollusk" found in the Indo-Pacific, but it was also caught on video.

Their findings, published Monday in the journal Current Biology, indicate that octopus has one of the oldest known animal sex chromosomes, one that has likely been around since before the creatures ...

After 15 years of relentless searching and more than 1,000 expeditions, NOAA researchers have achieved an unprecedented feat: spotting a living nautilus in its natural habitat. This discovery is ...