Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest life forms thrive. These deep-sea creatures have evolved in total darkness ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An Atlantic comb jelly known as the "sea walnut" has the ability to reverse its own aging process ...

Scientists caught a “transparent” sea creature with horn-like appendages off of Mexico and discovered a new species, a study said. Getty Images Off the western coast of Mexico, a “transparent” sea ...

Off the western coast of Mexico, a "transparent" sea creature with horn-like appendages swam through the water, or it tried to at least. But something caught it and pulled it toward the surface.