The vampire squid genome shows it kept ancient features shared with squids, while octopuses gained major chromosomal changes.

Learn what this seven-armed cephalopod loves to eat and how it catches its prey.

A stranded octopus gets a helping hand back to the ocean and takes the time to "high five" the rescuer. What really happened?

What if I told you we discovered an alien species with an adaptable body? Advanced intelligence? And astounding camouflage skills? Enter the octopus. Wait. What did you think I was talking about?

An octopus sighting along Padre Island was caught on video, showing the animal changing colors and patterns near shore, ...

A British man vacationing in the Philippines very closely escaped death after he unknowingly handled a super poisonous ...

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before ...

While modern octopuses have DNA that consistently gets reshuffled, resulting in some chromosomal mixing, the researchers ...

A North Padre Island beachcomber stumbled across an octopus in the water on Dec. 7.

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...

In this list of animals that can kill a human in minutes, we explore beautiful sea creatures, cute amphibians, funny looking fish, and unassuming insects, all of which could stop your heart beating ...

An octopus's mesmerizing skin can flit from orange to red in the blink of an eye, partly thanks to a natural pigment called ...