Water

The Disappearance of Lac Rouge
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The Disappearance of Lac Rouge

The lake in Quebec drained suddenly in spring 2025, sending a wide channel of sediment-laden water through the forest.

Published Jul 14, 2025

Image of the Day Water

Lake Titicaca in Sunglint
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Lake Titicaca in Sunglint

The optical phenomenon revealed features on and below the Peruvian lake’s surface, such as wind patterns, natural surface films, and boat wakes.

Published Jul 7, 2025

Image of the Day Water

Flooding Along the Uruguay and Ibicuí Rivers
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Flooding Along the Uruguay and Ibicuí Rivers

Astronaut photos captured the aftermath of torrential rainfall in Rio Grande do Sul, Brazil’s southernmost state.

Published Jul 2, 2025

Image of the Day 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 — Jun 2025

Life Water

Smoke Streams Over the Aegean Sea
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Smoke Streams Over the Aegean Sea

Fierce winds carried plumes from fires burning on the Greek island of Chíos southwest over the bright sea surface.

Published Jun 27, 2025

Image of the Day Land Water