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 ...

The blue ring octopus is a small animal with a lethal secret. Though small, this poisonous creature carries a powerful toxin that can kill a human being within minutes. What is even more frightening ...

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, ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. During a three-week expedition this ...

The Giant Pacific Octopus, an ocean giant, faces numerous threats like overfishing and pollution. Despite their size and ...