
Ocean - Wikipedia
Five oceanic divisions are usually recognized: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Antarctic/Southern Ocean, and the Arctic Ocean; the last two listed are sometimes …
Ocean | Definition, Distribution, Map, Formation, & Facts | Britannica
Nov 17, 2025 · 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, …
Oceans—facts and information | National Geographic
The ocean is a continuous body of salt water that covers more than 70 percent of the Earth's surface. Ocean currents govern the world's weather and churn a kaleidoscope of life.
How Many Oceans Are There In The World? - WorldAtlas
Feb 19, 2025 · For much of recorded history, Earth was said to have four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, many countries—including the United States …
Ocean Facts - Oceanic Society
Sep 4, 2025 · Learn about the ocean and its inhabitants, from sea turtles to whales. The ocean is essential to life on Earth. It covers more than 70% of our planet and holds 96.5% of all water. It …
All About the Ocean - National Geographic Society
May 27, 2025 · The ocean offers a wealth of fishing and whaling resources, but these resources are threatened. People have harvested so much fish and marine life for food and other …
The Global Ocean - NASA Science
Apr 29, 2025 · The ocean covers about 70% of Earth’s surface and contains 97% of its water. Data collected by NASA’s Earth-observing instruments help scientists understand how Earth’s …
Ocean - New World Encyclopedia
Five oceanic divisions are usually reckoned: Pacific, Atlantic, Indian, Arctic, and Southern; the last two listed are sometimes consolidated into the first three. An ocean (from Ωκεανός, Okeanos …
Know Your Ocean | Ocean Today - National Oceanic and …
Understanding basic facts about the ocean is important since it affects everything from our atmosphere to our ecosystems. By knowing your ocean, you are better prepared to help …
Ocean - National Geographic Society
Sep 18, 2024 · The ocean is a huge body of saltwater that covers about 71 percent of Earth’s surface. The planet has one global ocean, though oceanographers and the countries of the …