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 ...

Deepest Ocean Trench: The Mariana Trench is the deepest ocean trench in the world. It represents the lowest and darkest part of Earth’s oceans, reaching depths that are deeper than the height of Mount ...

Just 6 kilometers (about 4 miles) of briny water separate the ocean's surface from the depths known as the hadal zone. Yet for as much as we know what lurks in its cold darkness, it might as well be ...

(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 ...

Geologists from Heriot-Watt are part of an international research team that has confirmed why the 2011 Tōhoku earthquake off ...

Photos and video of one of the deepest points of the South Pacific have been shared by Texas millionaire Victor Vescovo, who visited the San Cristobal Trench for his latest expedition. Vescovo, who is ...