Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

By Liz Kimbrough 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 ...

(CNN) — Only a scattering of light penetrates the deep water, more than 300 feet beneath the ocean surface off the coast of Guam. It’s like twilight to the human eye, even in the middle of the day.

It floats, it drifts, it doesn’t break down. Plastic in the ocean is everywhere, but now it’s doing more than polluting. It’s ...

GUAM — Only a scattering of light penetrates the deep water, more than 300 feet beneath the ocean surface off the coast of Guam. It's like twilight to the human eye, even in the middle of the day.

From mysterious colossal squid to the ferocious pram bug, these creatures are stranger than fiction. Found in the depths of the Pacific Ocean, the flower hat jellyfish (Olindias formosa) glides with ...