Recent Features
World of Change: Yellow River Delta
January 26, 2010
Once free to wander up and down the coast of the North China Plain, the Yellow River Delta has been shaped by levees, canals, and jetties in recent decades.
Water Watchers
January 21, 2010
In Idaho, NASA’s Landsat satellites are helping officials manage water resources and settle conflicts.
World of Change: Drought Cycles in Australia
December 11, 2009
Drought has taken a severe toll on croplands in Southeast Australia during many years this decade.
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From the Archives
- Something Under the Ice is Moving
April 23, 2007
Satellites measurements of ice sheet elevation reveal a complex network of subglacial lakes in Antarctica. As water flows from lake to lake, the ice sheet above them rises and falls.
- A New IDEA in Air Quality Monitoring
August 17, 2004
NASA satellite data of regional haze allow EPA scientists to expand their focus from local to regional air quality monitoring and forecasting.
- Uncovering Chameleons
June 29, 2004
Using satellite data and museum specimen records, scientists predicted the location of 7 new chameleon species in Madagascar.
Most Popular
- Cities at Night: The View from Space
April 22, 2008
Astronauts onboard the International Space Station capture nighttime photographs of city lights, spectacular evidence of humanity's existence, our distribution, and our ability to change our environment.
- How on Earth was this Image Made?
March 25, 2003
Remotely sensed Earth observations can include everything from sonar measurements used to map the topography of the ocean floor to satellite-based observations of city lights. Combining observations collected by a variety of instruments at different times and places allow scientists to create an otherwise impossible view of the Earth, showing underwater mountain ranges, cloud-free skies, and city lights that are brighter than daylight. Such visualizations are invaluable for interpreting complex data and communicating scientific concepts.