07/11/2016

Image: NGC 6818 in the constellation of Sagittarius

The NASA/ESA Hubble Space Telescope had imaged NGC 6818 before, but it took another look at this planetary nebula, with a new mix of colour filters, to display it in all its beauty. By showing off its stunning turquoise and ...

UN climate chief: No doubt world will shift to low emissions

Climate negotiators started work Monday on implementing the Paris Agreement on global warming amid uncertainty over how the U.S. election will impact the landmark deal as temperatures and greenhouse gases soar to new heights.

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