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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.
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How Do Jellyfish Sting?

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How do you measure benefits provided by the ocean? Some are easier to measure, like tourism and fishing, but other benefits, like climate change mitigation, are harder to quantify.
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The True Value of Our Oceans

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Cartoonist Jim Toomey explains the "climate change connection" in two minutes.
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Two Minutes on Oceans With Jim Toomey: The Climate Change Connection

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Harmful effects of ocean acidification are especially noticeable in near-shore environments where ocean life is highly concentrated. Thankfully newer, more cost-effective technology has allowed scientists to double down on monitoring efforts along sho
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Carbon in our Seas: Measuring Ocean Acidification

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MarineGEO takes a closer look at how human-built marine structures, such as docks and pilings, are affecting ecosystem heath. This phenomenon, called marine urbanization, is poorly understood and becoming increasingly common along the world’s coastlines,
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Marine Urbanization

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Dr. Candy Feller, Senior Scientist at the Smithsonian Environmental Research Center underscores the challenges facing mangroves, along with reasons for hope. 
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Living on the Edge: Mangroves

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The Marine Global Earth Observatory (MarineGEO), directed by the Smithsonian’s Tennenbaum Marine Observatories Network (TMON), is the first long-term, worldwide research program to focus on understanding coastal marine life and its role in maintaining re
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MarineGEO: A Global Research Network

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Thumbnail of a Sperm Whale seen from a submersible.
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Close Encounters with a Sperm Whale

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The people of each island nation face their own unique challenges, but some common themes emerge. As sea level rises, they face increased flooding and erosion of their shorelines, and sources of fresh water and agricultural land become unusable when seawat
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Vanishing Islands

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A screenshot from the video with a map of sea level rise.
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Watching Rising Seas From Space

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A screenshot from the video of a coral head.
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How Coral Reefs Spawn

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A screenshot from the video in the Cabo Pulmo protected area.
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Cabo Pulmo - A Marine Reserve Threatened By Tourism

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