Oceanography

Dive into ocean science, marine life, deep-sea discoveries, polar ecosystems, underwater geology and mysteries hidden beneath the world's oceans.

Latest in Oceanography

Articles & explainers

2,285 published items in this category and its subcategories.

Where the world's oceans meet
Oceanography

Where the world's oceans meet

The International Hydrographic Organization (IHO) defines the boundaries between the world's five oceans, although there is no complete agreement among countries.

December 9, 2024