Researchers at MBARI, the Monterey Bay Aquarium Research Institute, have been exploring this hidden world for years. Using ...

Explore the darkest corners of the abyss with 18 terrifying creatures found at the bottom of the ocean. These are Earth's ...

With tentacles trailing up to 120 feet, the lion's mane jellyfish is basically the deep-sea version of Rapunzel—if she could sting. Its bell can reach 8 feet wide, and those glowing tendrils help it ...

The sea is dark and full of terrors. There may or may not be water on Mars, but there are apparently Martians in the water. A fisherman is making waves after sharing footage of a bizarre, mystery sea ...

Everything really is bigger — and stranger — in Texas. This year proved the Lone Star State is full of wild surprises after several Texans spotted some rare and unusual encounters with sea creatures ...