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 ...

Comb jellies, the delicate bells that pulse their iridescent bodies through the ocean, are some of the strangest creatures on Earth. “They are the aliens of the sea,” said Leonid Moroz, a ...

Deep in the ocean, where sunlight never reaches, live some of Earth's strangest giants. Imagine a squid as long as a bus or a crab the size of a big plate! This is called deep-sea gigantism, where ...

When sonar first picked up a massive, stair‑like object on the floor of the Baltic Sea, the image looked less like geology and more like a movie prop. The structure’s circular outline, sharp edges and ...