News tagged with landsat satellites

NASA sees new salt in an ancient sea

(Phys.org) -- The expansion of massive salt evaporation projects on the Dead Sea are clearly visible in this time series of images taken by Landsat satellites operated by NASA and the U.S. Geological Survey.

dateApr 09, 2012 in Earth Sciences
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Landsat—The watchman that never sleeps

In western North America, mountain pine beetles infest and ravage thousands of acres of forest lands. Landsat satellites bear witness to the onslaught in a way that neither humans nor most other satellites can.

dateJul 19, 2016 in Environment
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NASA studies details of a greening Arctic

The northern reaches of North America are getting greener, according to a NASA study that provides the most detailed look yet at plant life across Alaska and Canada. In a changing climate, almost a third of the land cover ...

dateJun 02, 2016 in Earth Sciences
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