Imagine creatures that have survived since the time of dinosaurs. Species like the tuatara, sturgeon, crocodile, hagfish, ...

The research suggest octopus and other cephalopods, like squid and cuttlefish, all rely on the ancient chromosome to determine sex.

And after more digging, they also found evidence for the chromosome in the nautilus, a mollusk that split apart from the octopus approximately 480 million years ago. The fact that these species share ...

Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

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Discover how researchers identified an octopus' ancient sex chromosomes and why their genetic history is such a mystery.

Various corals, marine mollusk and scallop shells. Sea vacation travel and beach holiday tourism concept nautilus shell stock videos & royalty-free footage 00:19 Close up lots of different mixed ...