This article originally published at 'Mass die off': Thousands of rare sea creatures wash up on Texas coast.

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Along the rocky coast of eastern Italy at night, researchers scanned a tide pool in hopes of seeing something interesting. A "leaf"-like sea creature caught their attention - and for good reason. It ...

The ocean is home to some of the most mysterious creatures on Earth. Many of us are familiar with the common sea animals like dolphins, sharks, and turtles, but there are also rare and unusual ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

Scientists surveying tide pools in Italy found a “rare” sea creature in a first-of-its-kind sighting for the Adriatic Sea, photos show. Screengrab from @MaPaRoNNiE’s YouTube video Along the rocky ...

Along the rocky coast of eastern Italy at night, researchers scanned a tide pool in hopes of seeing something interesting. A “leaf”-like sea creature caught their attention — and for good reason. It ...