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.

The octopus sacrifices its arm to escape the eel
Oceanography

The octopus sacrifices its arm to escape the eel

Videos shot by divers reveal that octopuses can cover their gills, blind their eyes or even sacrifice their arms in an effort to deal with calendar fish many times large…

May 26, 2024
Giant clams live hundreds of years
Oceanography

Giant clams live hundreds of years

A quahog ocean clam born around 1499 is the oldest individual ever discovered, demonstrating the species' ability to live a long life.

May 9, 2024
What Are Coral Reefs and How Do They Form?
Oceanography

What Are Coral Reefs and How Do They Form?

Coral reefs are biological structures built mainly by colonies of tiny coral animals that secrete calcium carbonate skeletons. Over many generations, those skeletons acc…

May 3, 2024