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

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

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

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

More than two decades after scientists identified a fossil as the world’s oldest octopus — officials now say it wasn’t one at ...