A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore yellow polka dots like a party dress, while an orange fish with bulging eyes ...

Add Yahoo as a preferred source to see more of our stories on Google. Far below the ocean’s surface, where sunlight can’t reach, some of the most unusual creatures on Earth thrive in complete darkness ...

About 5,000 species of crustaceans in the order Isopoda live in Earth’s oceans. According to the National Oceanic and Atmospheric Administration, they all have two pairs of antennae, compound eyes, ...

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries. An orca calf and adult swim in the Norwegian fjords. Orcas have been among ...

As you get closer to the bottom of the ocean, it gets darker, denser and stranger. All light from the surface has been absorbed, and only the most adapted species can navigate the lack of oxygen in ...

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 ...