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October 15th, 2019
NASA Smallsats Can Aid Hurricane Forecasts with GPSEight briefcase-size satellites flying in a row may be key to improving forecasts of a hurricane’s wind speed—detecting whether it will make landfall as a Category 1 or a Category 5. NASA’s Cyclone Global Navigation Satellite System (CYGNSS) fleet, launched in 2016, was designed to show whether the same GPS signals your phone uses for
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October 8th, 2019
Can Oceans Turn the Tide on Climate Crisis?As we pump more greenhouse gases into the atmosphere, the world is warming at an alarming rate, with devastating consequences. While our vast oceans are helping to take the heat out of climate change, new research shows that they are absorbing a lot more atmospheric carbon dioxide than previously thought—but these positives may be outweighed
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October 1st, 2019
Mapping the AmazonThe Amazon basin is exceptional. It spans at least 6 million square kilometers (2.3 million square miles), nearly twice the size of India. It is home to Earth’s largest rainforest as well as the largest river for the volume of the flow and the size of the drainage basin. The rainforest, which covers about 80
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September 24th, 2019
2019 Arctic Sea Ice Minimum Is Second LowestArctic sea ice reached its annual summer minimum on Sept. 18, 2019, according to NASA and the National Snow and Ice Data Center (NSIDC). Analysis of satellite data by NSIDC and NASA showed that the extent of ice cover this year effectively tied 2007 and 2016 as the second lowest in the satellite record, which
