For more than 25 years, Liopleurodon has been one of the world's most recognizable prehistoric marine predators. Immortalized ...

In our five-day unit, designed for elementary-aged students, children can dive deeper into learning more about the physical characteristics of jellyfish, where they live, what they eat and what eats ...

If you're thinking of using an aquatic setting for your next campaign, these are the best monsters to use in it.

Researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Nicknamed the 'mystery mollusc,' the nudibranch Bathydevius caudactylus swims through the ocean's midnight ...