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 ...

No matter where you go on the planet, life seems to find a way to survive, even six miles below the surface of the ocean without any sunlight.

Earth's oceanic trenches are still shrouded in mystery, and for good reason. Plunging as deep as 11 kilometers (6.8 miles) beneath the surface, their dark, frigid waters are under mind-boggling ...

Although pollution controls have significantly reduced the mercury content of coal-fired plant emissions, the latest Global Mercury Assessment still estimates that there has been a 20 percent increase ...

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 ...

BARCELONA, Spain — A team of scientists is preparing to dive deep into the depths of the Indian Ocean — into a “Midnight Zone” where light barely reaches but life still thrives. Scientists from the ...