A map of the world showing different colors that indicated sea surface temperature.

Temperature & Chemistry

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A shell placed in seawater with increased acidity slowly dissolves over 45 days.

Ocean Acidification Overview

Curious about ocean acidification and its relationship to climate change? This overview dives into everything to know.

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a large iceberg

National Ice Center Monitors the Arctic and Antarctic

A team of scientists explore the Arctic ocean.

Under Arctic Ice

A pair of sea butterflies float in the Arctic ocean.

Searching for the Ocean Acidification Signal

The robotic underwater glider Scarlet Knight crossed the Atlantic over the course of several months in 2009.

Underwater Robots Explore the Ocean

An Argo float transmits data

Taking the Ocean’s Temperature

Are You An Educator?

At Smithsonian Ocean, we have lesson plans, activities, and resources to help you engage your students in the wonders of our oceans.

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Temperature & Chemistry Articles

a ship in an icy landscape

Arctic Exploration

a large iceberg

National Ice Center Monitors the Arctic and Antarctic

An Argo float transmits data

Taking the Ocean’s Temperature

Screenshot of Nancy Knowlton speaking at "Lecture: One Year After the Gulf Oil Spill"

Lecture: One Year After the Gulf Oil Spill

the gulf stream depicted by temperature

Line W: A 10-Year Portrait of Our Planet

as sea turtle at the surface

Exploring Ocean Life with an Underwater Vehicle

the front of an ice breaker

Sea Ice in its Ever-Changing Forms

A screenshot from video of a lobster.

A Rainbow of Colorful Lobsters

Male Climate Scientist

2019: Second Warmest on Record

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NASA