News tagged with northern hemisphere

Does the red planet have green auroras?

Martian auroras will never best the visual splendor of those we see on Earth, but have no doubt. The red planet still has what it takes to throw an auroral bash. Witness the latest news from NASA's MAVEN atmospheric probe.

dateMay 14, 2015 in Space Exploration
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The green lungs of our planet are changing

Are leaves and buds developing earlier in the spring? And do leaves stay on the trees longer in autumn? Do steppe ecosystems remaining green longer and are the savannas becoming drier and drier? In fact, over recent decades, ...

dateMar 06, 2015 in Environment
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Earth's orbit around the sun

Ever since the 16th century when Nicolaus Copernicus demonstrated that the Earth revolved around in the Sun, scientists have worked tirelessly to understand the relationship in mathematical terms. If this bright celestial ...

dateNov 24, 2014 in Space Exploration
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Cold snap in the tropics

Tropical glaciers have responded to episodes of cooling in Greenland and the Antarctic over the past 20,000 years, according to a study carried out mainly by researchers at the CNRS, Université Joseph Fourier, Aix-Marseille ...

dateAug 25, 2014 in Earth Sciences
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