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Chrysaora melanaster is a jellyfish found in the Arctic.
Overview

Jellyfish and Comb Jellies

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Jellyfish are transparent and made up of 95 percent water, so you’d think there isn’t much to them. But you’d be wrong. Jellyfish are more complex than you’d think—and one of their most fascinating parts is their stinging cells.
Video

How Do Jellyfish Sting?

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Two nurse sharks hover over a baited cage
Lesson Plan

Caribbean Coral Reef and Climate Case Study

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This autonomous operated vehicle will map areas of seafloor earthquakes.
Photo

Launch of an Autonomous Benthic Explorer

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Plastic bottles and other marine debris cover a rocky beach in Curacao.
Overview

Marine Plastics

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Squalicorax shark fossil from the Smithsonian
Photo

Squalicorax Shark Fossil

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Rutgers oceanographers and robotic glider
Photo

The Scarlet Knight and Rutgers Oceanographers

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Jellyfish produce mucus, especially when stressed, which can interact with oil and break it down. This moon jellyfish is sloughing off mucus that has mixed with droplets of oil.
Article

How Jellyfish Break Down Oil After a Spill

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The Sant Ocean Hall is the National Museum of Natural History's largest exhibit, providing visitors with a unique and breathtaking introduction to the majesty of the ocean
Article

The Sant Ocean Hall Turns Ten

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Trout cages in 30 feet of water.
Article

Aquaculture Comes Full Circle

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Two nurse sharks hover over a baited cage
Lesson Plan

Biomes: Wild Arctic

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A large, white jellyfish floats through murky water
Article

Ghosts of the Ocean: Explaining Marine Life Devoid of Color

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