A freediver exploring the kelp forests off Cape Town, South Africa, had an unexpected underwater encounter with a curious ...

A breathtaking underwater encounter has offered a rare look at one of the ocean's most remarkable creatures. The footage, ...

Cuttlefish skin is interesting in many ways: it functions as a display system, camouflage device, texture generator, and ...

Whyalla is the breeding spot for hundreds of thousands of cuttlefish, but the international spectacle has been cancelled ...

Whyalla’s iconic giant cuttlefish dive site — a magnet for international tourists and snorkellers — faces new entry fees, ...

Cuttlefish aren't wearing 3D glasses to enjoy state-of-the-art movie theater technology, but rather to help scientists better understand how they see the world. It turns out that when it comes to ...

This might be the most incredible underwater encounter I have ever had! On this Aquanaut dive, we search for giant cuttlefish and octopus in the coral triangle of Indonesia. We captured ...

Sophie Cohen-Bodénès and Peter Neri, neuroscientists at École Normale Supérieure, in France, report possible evidence of cuttlefish communicating by waving their 'arms' at one another. Their paper is ...

Some cuttlefish absolutely refuse to wear 3-D glasses. These relatives of squid and octopuses have blimplike bodies that end in a ring of eight arms topped by two prominent eyes. It’s not hard to ...

Cuttlefish seem to be able to distinguish between large and small numbers, at least when it comes to food. Tsang-I Yang and Chuan-Chin Chiao at National Tsing Hua University in Hsinchu, Taiwan, let ...

Cuttlefish, with their blimp-shaped bodies and eight squiggly arms, don’t age like people do. Sexual maturity tends to come late for them—about three-quarters of the way through their two-year lives, ...