SISAL, YUCATÁN, MEXICO — In a damp, darkened shoreside laboratory near the Yucatán hamlet of Sisal, Carlos Rosas Vázquez lifts one of the scores of small conch shells littering a black plastic tank.

In late September 2025, an image claiming to show an octopus helping a diver with underwater maintenance tasks began circulating on Facebook. One version (archived), included the following caption: ...

All eight arms of an octopus can be used for whatever their cephalopod owner wishes, but some arms are favored for certain tasks. A new, detailed analysis of how octopuses wield their famously ...

Scientists set out to understand all the ways the animals use their eight appendages. It wasn’t easy. By Kate Golembiewski The eight arms of an octopus are right there in its name. But these ...

This is read by an automated voice. Please report any issues or inconsistencies here. Ghost, a giant Pacific octopus beloved by aquarium visitors, is entering senescence, the final stage of her life.

Create an adorable baby octopus without any sewing! This easy crochet tutorial guides you step-by-step to make a soft, cute, and huggable octopus—perfect for gifts, nursery decor, or your own ...

Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...

Octopus Energy Group, Britain's largest residential gas and electricity supplier, is plotting a £10bn demerger of its technology arm that would reinforce its status as one of the country's most ...

Octopuses, sharks and tuna that are booming in the sea around the UK could be part of a fundamental shift in the marine environment, a leading scientist has told Sky News. Dr Simon Thomas, who is ...

A new species of shape-shifting octopus has just been described by scientists in Australia. The tiny cephalopod grows only about 1.6 inches across, but it can survive more than half a mile beneath the ...

Researchers in New Zealand saw a colorful blob on top of a shark’s head. When they looked closer, they realized it had eight arms. By Melissa Hobson When she spotted the mako shark in the Hauraki Gulf ...