Water

Mapping the Tiny Plankton That Feed Giant Right Whales
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Mapping the Tiny Plankton That Feed Giant Right Whales

Researchers used NASA satellite data to detect swarms of red-tinged copepods, a key food source for the endangered marine mammals, in the Gulf of Maine.

Published May 12, 2025

Image of the Day Life Water Remote Sensing

Spawning Spectacle
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Spawning Spectacle

A late-season herring spawn in a British Columbia inlet created a vibrant patch of turquoise water.

Published May 5, 2025

Image of the Day Water

Floods Give Way to a Burst of Desert Life
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Floods Give Way to a Burst of Desert Life

Heavy rain in Queensland sent floodwaters coursing through the Australian Outback. Carpets of green emerged in their wake.

Published Apr 30, 2025

Image of the Day Land Water Floods

Chlorophyll
Global Maps

Chlorophyll

Chlorophyll is used by algae and other phytoplankton--the grass of the sea--to convert sunlight and carbon dioxide into sugars. These maps show chlorophyll concentrations in the ocean, revealing where phytoplankton are thriving.

Jul 2002 — Apr 2025

Life Water

Sand, Stone, and Sea Life at Dry Tortugas
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Sand, Stone, and Sea Life at Dry Tortugas

The national park west of mainland Florida includes a smattering of islands, but the vast majority of the park’s acreage lies underwater.

Published Apr 26, 2025

Image of the Day Land Water