News tagged with northern hemisphere

The colour-changing comet

Rosetta's comet has been seen changing colour and brightness in front of the ESA orbiter's eyes, as the Sun's heat strips away the older surface to reveal fresher material.

dateApr 08, 2016 in Space Exploration
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Declining snowpacks may cut many nations' water

Gradual melting of winter snow helps feed water to farms, cities and ecosystems across much of the world, but this resource may soon be critically imperiled. In a new study, scientists have identified snow-dependent drainage ...

dateNov 12, 2015 in Environment
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How TIMED flies: Unexpected trends in carbon data

NASA's TIMED mission, short for Thermosphere, Ionosphere, Mesosphere Energetics and Dynamics, has confirmed a surprisingly fast carbon dioxide increase in Earth's upper atmosphere, raising questions about how different layers ...

dateOct 29, 2015 in Environment
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