They say we know more about the surface of the Moon than we do about the bottom of the ocean, which is what made it so ...

“The deep ocean is a vast reservoir of biodiversity that harbors unique species, communities, and ecosystems,” write the authors of a new study. We tend to think of the deep ocean as cold, dark, and ...

(CNN) — Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed.

An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches, researchers said in a newly published paper. The deep-sea trenches, also called Hadal ...

(Reuters) -Scientists diving to astounding depths in two oceanic trenches in the northwest Pacific have discovered thriving communities of marine creatures that get their sustenance not by eating ...

The oceans cover over 70% of the Earth’s surface. The marine ecosystem is the largest and most abundant in the world. But most of the ocean is permanently dark and incredibly difficult to observe. As ...

(CNN) — Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography. Perhaps the most intriguing of these features is the Mariana Trench — a chasm in ...

That’s where the ocean floor drops precipitously — more than 4 kilometers (2 1/2 miles) in places, according to Robin Beaman, a marine geologist at Australia’s James Cook University. It’s not a sheer ...

WELLINGTON, New Zealand -- Two miles beneath the sea surface where satellites and planes are looking for debris from the missing Malaysian jet, the ocean floor is cold, dark, covered in a squishy muck ...