Lovingly nicknamed “sea gooseberry,” it glides through waters like a squishy crystal or a blimpy iridescent water balloon. It has been observed in deep ocean trenches and coastal waters across the ...

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 ...

To survive the deep ocean, sea creatures need all kinds of adaptations that give them alien-like appearances, like huge eyes ...

This alien-looking sea creature survives by stealing venom, toxins, and even live stinging cells from dangerous prey before storing the stolen weapons inside its own body, allowing it to survive ...