For years, this fossil seemed to tell a thrilling story. Here was an animal from more than 300 million years ago that ...

Marine biologist Alexander Semenov specializes in invertebrates and is the head of the divers’ team at Moscow State ...

A recent study published in the journal Proceedings of the Royal Society B found that the fossil Pohlsepia mazonensis — a ...

A bizarre black sea creature has been captured on camera, floating off a popular West Cork beach. The strange-looking black ...

A 300-million-year-old tentacled sea creature has lost its crown as the world’s oldest octopus, after scientists found evidence that it’s not an octopus at all.