'Velella velella are deep blue or purple in colour and often cause confusion if they wash in, in vast numbers, creating a ...

More stunning Velella Velella have been found on a beach in Cumbria, but marine experts have told people to look and not ...

California’s beaches may be some of the most photographed and well-documented coastlines in the world, but just miles from the shore, scientists are still finding creatures never seen by humans.

Hundreds of vivid blue sea creatures have washed ashore on a beach in England's Cumbria, turning it into an extraordinary ...

It’s advised to avoid touching these alien-like creatures ...

The deadliest sea creature doesn’t have rows of teeth or crushing jaws. It’s a near-invisible ghost, with a glassy body and whisper-thin tentacles. Look too quickly, and you might miss any given ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

This colourful creature is no alien, but it is a long way from home. For the first time, the presence of a type of tropical sea slug has been confirmed by scientists in UK waters. Spurilla neapolitana ...