Unlike most of its invertebrate peers, octopuses gave up protective shells... But it seems that the sacrifice was totally worth it.

It was more than it was Kraken-ed up to be. An octopus the size of the Hollywood Sign might seem like a monster from Greek mythology. However, new fossil evidence reveals that massive “kraken”-like ...

Researchers say they've unearthed evidence for what may be the largest invertebrate ever described, an ancient, enormous octopus. Here's science reporter Ari Daniel. ARI DANIEL, BYLINE: Fossils ...