The terms "the ocean" or "the sea" used without specification refer to the interconnected body of salt water covering the majority of Earth's surface, i.e., the world ocean. [9][10] It includes the Pacific, …

Oct 28, 2025 · Facts, Species, and Stories for Ocean Explorers The ocean is essential to life on Earth. It covers more than 70% of our planet and holds 96.5% of all water. It regulates our climate, generates …

Your top ocean questions, answered. Explore OCEARCH Ocean Facts to learn how seas regulate climate, generate oxygen, support biodiversity, and sustain us all.

This article is also available in Spanish. The ocean covers 70 percent of Earth 's surface. It contains about 1.35 billion cubic kilometers (324 million cubic miles) of water, which is about 97 percent of all …

Apr 25, 2026 · Ocean, continuous body of salt water held in enormous basins on Earth’s surface. There is one ‘world ocean,’ but researchers often separate it into the Pacific, Atlantic, Indian, Southern, and …

Feb 19, 2025 · In contrast, ocean salinity averages 35 g/L. Depth similarly differs, with oceans typically deeper than seas. The Pacific Ocean’s Mariana Trench reaches over 11,000 m, while the deepest …

Dive deep into the mysteries of marine life, the impact of human activity on Earth’s oceans, and the efforts to protect these vital ecosystems from threats including pollution, overfishing, and ...

Discover more about the world oceans, the issues and threats they are facing and how they support life on Earth.

Map of the World's Oceans Map of Earth's Five Oceans: Although there is only one global ocean, geographers have divided it into five major regions (which are also called "oceans"). They are: the …

May 5, 2025 · The world’s leading natural historian draws on a lifetime of knowledge to reveal how Earth’s vast, interconnected waterways can be restored.Explore the World...