Hydropower dams, which use flowing water to turn a series of turbines to generate electricity, provide a source of energy that doesn't rely on fossil fuels. But they also disrupt the flow of rivers, and impact the fish and ...
Environment
Feb 14, 2020
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Farmers across the Midwest are in a race to finish harvesting their corn, soybean, and other staples of the Thanksgiving dinner table before the first crop killing freeze sets in. September rains made a late harvest even ...
Environment
Nov 29, 2019
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Landsat is one of the most important U.S. satellite systems. Since the program's launch in 1972, Landsat satellites have provided the longest-running terrestrial satellite record and collected more than 5.6 million images.
Environment
Mar 8, 2019
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Conservation scientists can use free satellite imagery to track invasive plant species on remote Pacific islands, according to new research.
Environment
Dec 20, 2018
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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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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
(Phys.org)—A team of researchers with Deltares, Boussinesqweg in The Netherlands has published a commentary in the journal Nature Climate Change describing changes to water surface area across the planet over the past 30 ...
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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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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