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 consolidated …

Oct 28, 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 …

Curious about the oceans, their ecosystems, and the vital role they play in sustaining life on Earth? Explore OCEARCH Ocean Facts to learn how the seas regulate climate, provide food and oxygen, …

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 Arctic oceans.

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 —now recognize …

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 products that …

The Pacific Ocean is the only ocean which is mostly bounded by subduction zones. Only the central part of the North American coast and the Antarctic and Australian coasts have no nearby subduction zones.

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...

Jun 2, 2026 · There is technically one global ocean, but we generally refer to it by its five distinct basins: the Pacific, the Atlantic, the Indian, the Southern, and the Arctic.

The ocean is vast and on average about 4,000 metres deep. It contains 1.3 billion cubic kilometres of water – that’s 97% of all the water on the surface of the Earth.