Tuesday, November 18th, 2014
Satellites provide the perfect way to capture images of the Sahara as well as to observe and monitor such barren and hostile landscapes, where the heat and lack of water make them unwelcome to other means of measurement.
Tuesday, November 11th, 2014
The Central African Republic’s civil war has displaced more than 1 million of the country’s 4.5 million residents. There are nearly 70 makeshift refugee camps in Bangui alone—including the M’Poko International Airport, where nearly 100,000 people have gathered for safety.
Monday, November 3rd, 2014
A series of 15 images, spanning a 30-year period, show major coastline changes off the coast of Cape Cod.
Tuesday, October 28th, 2014
The European Space Agency’s Soil Moisture and Ocean Salinity mission monitors the amount of water held in soil surface layers and the concentration of salt in seawater’s top layer.
Tuesday, October 21st, 2014
This 300-meter-resolution image from the European Space Agency’s Proba-V minisatellite shows deforestation in the state of Rondônia in western Brazil.
Tuesday, October 14th, 2014
A four-year underground mapping project at Stonehenge was completed recently, yielding new maps and discoveries. The project used ground-penetrating radar, high-resolution magnetometers and other remote-sensing equipment to map the area to a depth of roughly 10 feet.
Wednesday, October 8th, 2014
The water hyacinth, a popular flowering floating plant native to the Amazon, is one of the world’s fastest-spreading plants. The plant is popular with water gardeners for its splendid flowers and glossy weeds, but its ability to thrive has made it a tremendous pest, particularly in Africa’s Lake Victoria.
Wednesday, October 1st, 2014
What was once the world’s fourth largest lake, the Aral Sea has been the victim of a major water diversion project undertaken in the 1960s and is now a polluted puddle compared with its former self.
Thursday, September 25th, 2014
The lava outflow on the Holuhraun field northeast of Iceland's Bardarbunga volcano continues unabated. The lava field has grown to cover an area greater than 25 square kilometers.
Wednesday, September 17th, 2014
The fortuitous timing of some recent NASA science flights gave scientists a rare opportunity to see what can happen when Earth's polar regions are shaken by an earthquake.