About 1,140,000 results
Open links in new tab
  1. Ocean | Definition, Distribution, Map, Formation, & Facts | Britannica

    Dec 22, 2025 · However, those conducting oceanic research generally recognize the existence of five major oceans: the Pacific, Atlantic, Indian, Southern, and Arctic oceans. Arbitrary …

  2. Ocean - Wikipedia

    Oceans are thought to have formed in the Hadean eon and may have been the cause for the emergence of life. Plate tectonics, post-glacial rebound, and sea level rise continually change …

  3. How Many Oceans Are There In The World? - WorldAtlas

    Feb 19, 2025 · How Many Oceans Are There In The World? For much of recorded history, Earth was said to have four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, many …

  4. How many oceans are there? - NOAA's National Ocean Service

    Jun 16, 2024 · Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, most countries - including the United States - now recognize the Southern …

  5. Map of the Oceans: Atlantic, Pacific, Indian, Arctic, Southern

    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 Atlantic Ocean, the …

  6. Oceans—facts and information | National Geographic

    The vast bodies of water surrounding the continents are critical to life on Earth. But overfishing and global warming threaten to leave oceans barren.

  7. All About the Ocean - National Geographic Society

    May 27, 2025 · Although the ocean is one continuous body of water, oceanographers have divided it into five principal areas: the Pacific, Atlantic, Indian, Arctic, and Southern Oceans.

  8. Ocean Facts - Oceanic Society

    Sep 4, 2025 · It covers more than 70% of our planet and holds 96.5% of all water. It regulates our climate, generates half of Earth's oxygen, and is home to millions of species. Dive into …

  9. UN Atlas of the Oceans: Facts

    Covering about 70% of the earth's surface, the oceans are a highly productive system which continuously recycles chemicals, nutrients and water through the 'hydrological cycle', which …

  10. What are the 5 Oceans of the World? - Earth How

    Nov 9, 2017 · Since the year 2000, the International Hydrographic Organization (IHO) started recognizing 5 oceans: Pacific, Atlantic, Indian, Arctic and Southern Ocean.