U.S. deep-sea researchers are investigating new reports and viral theories surrounding the Leviathan sea monster a creature rooted in folklore but increasingly discussed after unusual ocean sightings.

Many of these myths walk the line between deities and demons. Some Pokémon find inspiration in the kind of monsters that are the stuff of nightmares, while others are ambivalent or even benevolent.

Sea monsters have a prominent role in myths and legends of most seafaring cultures on Earth and with such inspiring ocean biodiversity, it's not difficult to see why. Join Oliver Crimmen, Senior ...

The Loch Ness monster will be featured in a new limited set of stamps created by Royal Mail celebrating myths and legends.