News tagged with northern hemisphere

Earth's last warm phase exposed

Analysis of data collected from ice cores and marine sediment cores in both polar regions has given scientists a clearer picture of how the Earth's climate changed during the last Interglacial period. This comparatively warm ...

dateMay 02, 2014 in Earth Sciences
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Noctilucent clouds get an early start

Every summer, something strange and wonderful happens high above the north pole. Ice crystals begin to cling to the smoky remains of meteors, forming electric-blue clouds with tendrils that ripple hypnotically against the ...

dateJun 10, 2013 in Earth Sciences
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Is the ozone layer on the road to recovery?

(—Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth's ozone has been strengthening following international agreements ...

dateFeb 10, 2013 in Earth Sciences
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Weather forecasts on Mars

( —In the north of the red planet snowfalls occur with great regularity. Expeditions of Mars rovers into this region could therefore be easily planned.

dateMay 08, 2013 in Space Exploration
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