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Photographed before 1983, Diadema sea urchins keep a dead coral surface free of algae.

When the Dust Settles

Each year, several hundred million tons of African dust are transported westward over the Atlantic to the Caribbean, Central America, and South America.
Feature Article
July 28, 2020
In a landslide triggered by the 1994 Northridge, California, earthquake, this house crumbled near Golden, Colorado.

When Land Slides

Summer of 2001 was a season of devastating landslides.
Feature Article
July 28, 2020
Clumps of deciduous trees often grow in larger coniferous forests, such as this group of Aspen trees in Rocky Mountain National Park. (Image courtesy of the USGS).

Well Grounded

Characterizing MODIS performance involves an innovative and international collaboration of scientists.
Feature Article
July 28, 2020
A protected spring provides a clean water supply to residents in Sauri, Kenya. (Image courtesy of Glenn Denning)

War on Hunger

Scientists use geospatial analysis to identify pockets of hunger and the geographic and physical causes of hunger.
Feature Article
July 28, 2020
A man stands in the middle of the Karakoram Highway while rocks tumble down into the Hunza River in Pakistan’s Gojal region.

Waiting for Gojal

Scientists and satellites hold vigil on a newborn lake in Pakistan.
Feature Article
July 28, 2020
The image above shows the East coast of North America

Virtual Data Center

Members of the NASA's Earth Observing System 1994 Independent Architectural Study discussed ways of meeting researchers' new technology needs.
Feature Article
July 28, 2020
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