Add Yahoo as a preferred source to see more of our stories on Google. A California two-spot octopus (Octopus bimaculoides). David Liittschwager, National Geographic Image Collection The California two ...

Octopus sex seems like a very dignified affair. A male octopus hands his sperm to a female using one of his eight arms to place a spermatophore—a seed-filled packet—into the female’s mantle cavity, ...

For an octopus, exploring the ocean floor with eight highly sensitive arms is a constant game of roulette. These limbs are essential for tasting the world and grappling with prey, but their constant, ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have now learned a lot more about the sex life of the California two-spot octopus. Octopus sex hinges on a peculiar ...

Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study. The males have evolved to use a venom called ...

It’s an octopus-eat-octopus world. Scientists have discovered that when mating, male blue-lined octopuses will inject a powerful, incapacitating neurotoxin into the hearts of female octopuses — to ...

The specialized arm that male octopuses use for mating is also a sensory organ that can detect the ovarian hormone progesterone, according to new experiments conducted by Pablo Villar and colleagues.

Octopuses are the closest things to real-life aliens we’ve ever encountered. The more we learn about them, the stranger they reveal themselves to be. For instance, a new study published in the journal ...

A team of neurologists, environmentalists and bioengineers at the University of Queensland, in Australia, has found that male blue-lined octopuses paralyze females prior to mating to avoid being eaten ...