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

Cephalopods may have the oldest sex chromosomes of any animal, according to a new discovery in the octopus genome.

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

University of Oregon 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 ...

This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on the evolutionary tree. That makes it one of the oldest known animal sex ...

From a resort on a private island, to the world’s first underwater hotel room, here’s our definitive guide for where to stay ...

When saltwater absorbs carbon dioxide, it becomes acidic, which alters the aquatic animal ... since before octopuses split apart from the nautilus on ... Love Bites? Scientists Identify ...