News tagged with observations

Satellites reveal bird habitat loss in California

Drought and reduced seasonal flooding of wetlands and farm fields threaten a globally important stopover site for tens of thousands of migratory shorebirds in California's Sacramento Valley, a new Duke University-led study ...

dateMar 27, 2017 in Ecology
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CryoSat reveals Antarctica in 3-D

Around 250 million measurements taken by ESA's CryoSat over the last six years have been used to create a unique 3-D view of Antarctica, offering a snapshot of the undulating surface of this vast ice sheet.

dateMar 27, 2017 in Earth Sciences
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Video: 30 years of deforestation in Rio Branco

Deforestation near the northwestern Brazilian city of Rio Branco has made its mark on the rainforest over the last 30 years. By comparing a Landsat-5 image from 1985 with a Copernicus Sentinel-2 image from 2016, we can see ...

dateMar 22, 2017 in Environment
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Enceladus' south pole is warm under the frost

Over the past decade, the international Cassini mission has revealed intense activity at the southern pole of Saturn's icy moon, Enceladus, with warm fractures venting water-rich jets that hint at an underground sea. A new ...

dateMar 14, 2017 in Space Exploration
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