Researchers uncovered one vertebra, and based on its size, they estimate the massive creature was at least 30 feet long when ...

The legendary sea monster Cetus is a huge and dangerous creature. It is usually portrayed as a massive sea serpent or ...

These dangerous animals hide themselves in the sea to attack in a flash and they are way too strong to drag a human. They are ...

Meet the Mimic Octopus, a brilliant sea creature that can impersonate venomous fish, sea snakes, and more to fool predators ...

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 ...

Hordes of bright blue, jellyfish-like sea creatures are washing up on beaches across California. As of Monday, thousands of the critters — called velella velella or by-the-wind sailors — have ...