When it’s fully grown, this Caribbean pygmy octopus will be just the size of a silver dollar. As a hatchling, it’s dwarfed by a penny. The Aquarium at Mote Marine Laboratory in Sarasota, Florida, ...

Wait, I thought every day was octopus day. Oh well. An eight-armed hug for everyone! My favorite species is the Giant Pacific Octopus. Learn more about them in this video from the National Aquarium.

The U.K.’s largest electricity provider is powering its Texas-size energy ambitions with an Uber-like approach to renewable retailing. Octopus Energy Group, a British energy conglomerate, entered the ...