Check Out the First Confirmed Footage of the Colossal Squid, a Rare and Enigmatic Deep-Sea Species
Most of what we know about the elusive creature comes from research on its remains found in whale stomachs, but scientists just filmed a one-foot-long juvenile in the South Atlantic Ocean
Watch an Octopus Hitch a Ride on a Shark—an Unusual Duo Dubbed the ‘Sharktopus’
Researchers in New Zealand captured the odd pairing on video, but they still don’t know how to explain the behavior
A Chicago-Sized Iceberg Broke Off From Antarctica, Revealing a Hidden Ecosystem Never Seen Before
When the A-84 iceberg calved in January, it unveiled a 209-square-mile swath of seafloor. Nearby scientists rushed to the scene for the “unprecedented” look below
These Male Octopuses Use Venom to Subdue Female Mates—and Avoid Being Eaten After Sex
Scientists observed male blue-lined octopuses injecting tetrodotoxin into females, which rendered them immobile for mating
Watch Cuttlefish Use Camouflage to Confuse Crabs, Taking on the Appearance of Coral and Leaves
Scientists have captured footage of the sea creatures using four distinct color-shifting techniques to trick their prey
Watch Octopuses Team Up With Fish to Hunt—and Punch Those That Don’t Contribute
The collaboration across species reveals a surprising social behavior of octopuses, researchers say
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
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