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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. While the bite from a venomous blue-lined octopus (Hapalochlaena ...

An analysis of footage of octopuses off the coast of Australia “throwing” shells and silt suggests that they intentionally target – and often hit – other octopuses. In most cases, it is females that ...