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NASA Data Reveals Role of Green Spaces in Cooling Cities – NASA Science

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NASA Data Reveals Role of Green Spaces in Cooling Cities – NASA Science

Cities tend to be hotter than nearby rural areas because of the urban heat island effect. Heat-trapping dark surfaces such as sidewalks, buildings, and roads absorb heat from the Sun’s rays, which raises the temperature of the city. Extreme heat poses serious health threats for urban residents, including dehydration, heat stroke, and even death. Though … Read more

Discovery Alert: a Long Year for a ‘Cold Saturn’

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Discovery Alert: a Long Year for a ‘Cold Saturn’

The decades-long hunt for exoplanets – planets around other stars – has so far yielded more than 5,500 that are confirmed to be scattered across the Milky Way, which likely contains hundreds of billions. But the prevailing detection method turns up relatively few “long period” planets, those with years lasting 50 days or more. This … Read more