The deepest ocean trenches are among the least understood places on Earth, shaped by tectonic forces and hidden far below ordinary exploration. This video counts down some of the most extreme undersea ...

Uncover 100 Things You Never Knew About The Earth! Explore mind-blowing facts from its fiery core to the moon's violent birth ...

Previously known only by locals, the behemoth of a coral structure resides in the Maug Islands in the Mariana archipelago. Fortunately, scientists got the opportunity to study the ...

According to the team who found it, the structures were an ancient urban complex that sank into the ocean 6,000 years ago.

On a historical impact per square mile basis, few places on earth rival the island of Tinian. Almost completely forgotten ...

For deep-sea scientific expeditions, China has three manned submersibles — the Jiaolong, or Sea Dragon, the Shenhai Yongshi, or Deep-Sea Warrior, and the Fendouzhe, or Striver.