There are more than 4,800 satellites orbiting Earth. They bristle with sensors – trained towards Earth and into space – recording and transmitting many different wavelengths of electromagnetic radiation.
Environment
Sep 17, 2018
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13
In its five years in space, the Landsat 8 Earth-observing satellite has racked up some impressive statistics: 26,500 orbits around the planet, 1.1 million "scenes" captured, a motherlode of images that represents 16 percent ...
Space Exploration
Feb 12, 2018
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21
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.
Environment
Jul 19, 2016
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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 ...
Earth Sciences
Jun 2, 2016
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41
For more than 40 years, Landsat satellites have provided a wealth of data that has informed our understanding of Earth features, phenomena, and environments as diverse as coral reefs, urbanization, tropical deforestation, ...
Engineering
Feb 1, 2016
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10
NASA satellites obtained a number of different views of the great winter storm that left many snowfall records from Virginia to New York City from January 22 to 24, 2016. RapidScat provided a look at the strong winds that ...
Earth Sciences
Jan 26, 2016
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16
This fall scientists at the University of Nebraska, with partners at Google, Inc. and the University of Idaho, introduced the latest evolution of METRIC technology—an application called EEFLUX, which will allow anyone in ...
Earth Sciences
Oct 14, 2015
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36
This fall, birds migrating south from the Arctic will find 7,000 acres of new, temporary wetland habitat for their stopovers in California. The wetlands – rice fields shallowly flooded for a couple weeks after the harvest ...
Earth Sciences
Sep 25, 2015
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281
A small glacier crowning one of the Kaçkar Mountains in eastern Turkey appears as a blurry cluster of blue pixels in an image captured in September 2011 by NASA's and U.S. Geological Survey's Landsat 5 satellite. A view ...
Earth Sciences
Jul 22, 2015
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24
Some things go swimmingly with a summer trip to the beach – sunscreen, mystery novels, cold beverages and sandcastles. Other things – like aquatic algae – are best avoided.
Earth Sciences
Jul 14, 2014
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