Researchers are gaining a better understanding of the biochemical processes that precede female octopuses’ deaths after they lay and then tend their eggs. By Nicholas Bakalar Most octopus species live ...

Unusual octopus mating session captured in rare and comical footage filmed off the Indonesian island of Bunaken for new National Geographic show. When you purchase through links on our site, we may ...

Two miles below the ocean surface off Monterey, California, warm water percolates from the seafloor at the base of an underwater mountain. It’s a magical place, especially if you’re an octopus. We now ...

After a female octopus lays a clutch of eggs, she does what any new parent would: carefully watch over her progeny. She stays with them in her den, protects them from predators and blows water over ...

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 ...