cephalopod
See 15 Stunning Images From the Ocean Photographer of the Year Awards
The winning and highly commended underwater photography spotlights breathtaking animal behavior, conservation needs and the otherworldly environment of Earth's oceans
Is This the First Recorded Footage of a Colossal Squid Living Freely?
The only sightings of the animals so far have come from corpses or creatures dragged up from the depths
Family Accidentally Ends Up With 50 Baby Octopuses After Their Pet—Thought to Be Male—Laid Dozens of Eggs
Now, the Oklahoma residents are working with aquariums and researchers that might take the babies
Ten Wild Facts About Octopuses: They Have Three Hearts, Big Brains and Blue Blood
These bizarre creatures have been around for hundreds of millions of years, and for humans, they’ve inspired horror, admiration and culinary prestige
Biologists Discover Four New Octopus Species in the Deep Ocean Off Costa Rica
One species was found brooding eggs near low-temperature hydrothermal vents, a rare sight that could unlock new information on deep-sea cephalopods
Octopus DNA Reveals Clues to When the West Antarctic Ice Sheet Last Collapsed
Understanding the ice sheet's past could help researchers shed light on its future melting
Why 'Hot Springs' Draw the World's Largest Gathering of Deep-Sea Octopuses
Some 20,000 octopuses congregate near an inactive underwater volcano off California's coast, using heat from thermal springs to hatch their eggs faster
Scientists Find Rare Deep-Sea Octopus Nurseries
The team captured footage of the eight-armed creatures brooding their eggs in groups near Costa Rica
Octopuses May Have Vivid Nightmares, Video Suggests
Costello, a male Brazilian reef octopus, had "bizarre" defensive outbursts while sleeping in a lab
What New Tech Is Revealing About Squishy, Prehistoric Cephalopods
Researchers have adopted innovative means, from cutting-edge scans to swimming robots, to reveal more about how the creatures lived
Watch a Deep-Sea Squid Carry Hundreds of Pearl-Like Eggs
Footage taken 56 miles off California's coast documents rarely-observed brooding behavior
Scientists Figure Out Why Female Octopuses Self-Destruct After Laying Eggs
A new study finds several biochemical pathways, including one that produces a precursor to cholesterol, may be key to this behavior
Ancient Ten-Armed Octopus Relative Named for Joe Biden
The discovery of 'Syllipsimopodi bideni' pushes back the fossil record of the vampyropods by over 82 million years
Female Octopuses Throw Things at Male Harassers
Scientists observed common Sydney octopuses launching shells and silt at particularly annoying individuals
NASA Is Launching Tardigrades and Baby Squid Into Space
The experiments could help astronauts stay healthy and survive longer outside Earth’s atmosphere
New Species of Dumbo Octopus Identified Using 3-D Imaging Techniques
Techniques such as MRI and CT scans may allow researchers to identify and study rare sea specimens without the need for dissection
A Very Angry Octopus Goes Viral After Lashing Out at an Australian Tourist
A video posted to social media captures the cephalopod's arm-flinging attack
Cuttlefish Show Impressive Ability to Exert Self-Control
The clever cephalopods ignored so-so food for up to 130 seconds in order to get their favorite snack, live grass shrimp
Watch Octopuses Sucker-Punch Fish
Researchers caught the eight-armed sea creatures in the Red Sea slugging fish during collaborative hunts
See Strange Squid Filmed in the Wild for the First Time
The elusive creature is called the ram’s horn squid after a spiral-shaped internal shell that is often found by beachcombers
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