News tagged with northern hemisphere

Loss of planetary tilt could doom alien life

Although winter now grips much of the Northern Hemisphere, those who dislike the cold weather can rest assured that warmer months shall return. This familiar pattern of spring, summer, fall and winter does more than merely ...

dateJan 12, 2012 in Astronomy
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2012: Shadow of the Dark Rift

( -- One of the most bizarre theories about 2012 has built up with very little attention to facts. This idea holds that a cosmic alignment of the sun, Earth, the center of our galaxy -- or perhaps the galaxy's ...

dateDec 22, 2011 in Astronomy
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Abrupt permafrost thaw increases climate threat

As the Arctic warms, greenhouse gases will be released from thawing permafrost faster and at significantly higher levels than previous estimates, according to survey results from 41 international scientists published in the ...

dateNov 30, 2011 in Earth Sciences
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A beast with four tails

( -- The Milky Way galaxy continues to devour its small neighbouring dwarf galaxies and the evidence is spread out across the sky.

dateNov 30, 2011 in Astronomy
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