ocean

Ash rises from Krakatau volcano

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A wispy ash plume rises above the volcano Anak Krakatau, also known as Krakatoa, on July 31, 2011. The volcano has been intermittently active for [...]

Phytoplankton bloom of the coast of Newfoundland

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Light-reflecting phytoplankton blooming in the cold waters off the Newfoundland coast are colored swirls of teal, turquoise and navy. NASA’s Aqua satellite captured this image [...]

Turbidity seen in waters of Cook Straight, New Zealand

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This aerial satellite image of New Zealand shows North Island (top) and South Island. Turbidity can be seen between the two islands, caused by runoff [...]

Night view of United States eastern seaboard from space

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This night image of the glow of city lights along the eastern seaboard of the United States shows a region bounded by Richmond on the [...]