slideshow

Zooxanthellae and Coral Bleaching

Tiny plant-like organisms called zooxanthellae live in the tissues of many animals,...

Photo

How Mangroves Deal with Saltwater

Looking at a white mangrove (Avicennia marina) leaf cross-section under the...

Photo

Branching Red Algae

Under the microscope, you can peer inside the cells of this filamentous red algae....

Photo

A Diatom Helix

This beautiful marine diatom Chaetoceros debilis was caught in the North Sea. Not...

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Coralline Algae Under the Microscope

Unlike the green, leafy algae we're used to seeing on the seafloor, coralline algae...

Article

Not Just Another Fuzzy Face

Who hasn’t grinned at the sight of a sea otter floating on its back while...

Article

Bugs and Slugs: The Hidden Secret to Healthy Seagrasses

Slip into the water along a sheltered coast in nearly any part of the world and...

Personal Perspectives

A World Adrift: Life in the Sargassum

The open ocean is surprisingly barren to the naked eye. Every now and again you...

slideshow

A World Adrift: Life in the Sargassum Slideshow

Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns...