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

2,280 published items in this category and its subcategories.

'Bad omen' fish found in Mexican waters
Oceanography

'Bad omen' fish found in Mexican waters

Oarfish - a mysterious sea fish that only appears when there is an earthquake under the sea, so it is considered a monster by people.

June 6, 2025
How many oceans are there on earth?
Oceanography

How many oceans are there on earth?

Does the Earth have 1, 4 or 5 oceans? This seems like a simple question, but the answer is still not agreed upon by scientists.

May 10, 2025