The Wendigo of Native American lore, the Sphinx of ancient Egypt, the Kraken said to terrorize the ocean — discover these and more of the most riveting mythical creatures.

But long before there was a Christian devil, God had a first worst enemy: the great mythical sea monster, best known by the name Leviathan. The cosmic showdown of god versus sea monster has roots deep ...

Now researchers argue the mighty hafgufa, and similar sea monsters described by the ancients, were not mythical creatures but rather whales engaged in a behavior that was only recently documented ...