Unique footage captures the moment an octopus ejects sand from its body. Self-employed Eric Desmet captured the unique moment whilst diving in Cannes, France. The octopus can be seen relaxing on the ...

The more scientists study octopuses, the more we learn how fascinating these creatures really are. Octopuses are incredibly intelligent, displaying all kinds of amazing behavior like completing ...

Female octopuses have been caught on video launching shells at males attempting to mate with them. Scientists at the University of Sydney recorded gloomy octopuses, or Octopus tetricus, in Jervis Bay ...

A female octopus throws debris that hits a male attempting to mate with her. The material thrown is silt, vigor is high, and thrower’s coloration pattern is dark uniform. Credit: Godfrey-Smith et al., ...

We’ve known for centuries that octopuses get around one of two ways: one, by crawling over surfaces with their arms, or, two, swimming with the help of their siphon’s jet. But a new study (pdf) shows ...

Erin Berge is the Managing Editor for Discover Magazine who oversees the digital strategy and publishing of Discover's website. She also edits and writes articles covering various scientific studies.

Panel A — Octopus (left) projects silt and kelp through the water; B – an octopus (right) is hit by a cloud of silt projected through the water by a throwing octopus; C – shells, silt, algae or some ...

With blue blood and three hearts, the octopus has one of the most unusual circulatory systems in the animal kingdom.

Along with their writhing tentacles, octopi and squid sport another interesting feature – they swim not by swishing a tail, but by expelling a jet of water. This allows them to move very quickly and ...

How does an animal with no bones (like an octopus) move? Animals without bones are known as invertebrates. The vast majority of animals are invertebrates. Invertebrates typically have fluid-filled ...