Quick Take Picking up a live electric wire and swinging it around sounds like a terrible idea. For the blanket octopus, it is a daily survival strategy. As if eight arms were not enough, this species ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. The Bay Bay Area-raised host Ericka Cruz Guevarra brings you context and ...

Deep underwater off the coast of Japan, a sea creature with hundreds of tentacles swayed in the current. Unbeknownst to the rust-colored animal, it was about to be discovered as a new species.

A rarely seen giant phantom jellyfish — a deep-sea creature with arms that can stretch up to 10 meters long — has been ...

With a cube-shaped bell and four tentacles extending from each corner, box jellyfish have a striking look that sets them apart, Jace Tunnell writes.

Dozens of tiny, tentacled creatures were recently discovered living in the Gulf of Mexico. The small sea dwellers, it turns out, belong to a previously unknown species of “crawling” jellyfish-like ...

I think I deserve a refund for all the Scholastic marine life books I bought as a child. Not only does it turn out that, nope, the tide doesn’t actually go in and out, but apparently octopuses don’t ...