The biggest stories of the day delivered to your inbox.

The opening weekend for a new exhibit at the Newport Aquarium called, "Ring of Fire: World of the Octopus," begins Friday, March 22. One-day general admission tickets for ages 13 and older range ...

This makes it easy for them to vanish through tiny cracks—an ability that allows them to escape, Houdini-like, from all but the most octopus-proofed aquarium. Not only can all of their suckers ...

and Steve Haddock (Monterey Bay Aquarium Research Institute) caught some rare footage of the popularly called "seven-armed" octopus. In the last 27 years, there have only been 3 sightings of this ...

And near coral reefs, where competition for food is particularly fierce, nature has cooked up an extraordinary solution: octopus and fish teaming up to hunt. This collaboration isn't just about ...