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 ...

dateJan 12, 2012 in Astronomy
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Vesta in Dawn's rear view mirror

(Phys.org)—NASA's Dawn mission is releasing two parting views of the giant asteroid Vesta, using images that were among the last taken by the spacecraft as it departed its companion for the last year.

dateSep 11, 2012 in Space Exploration
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Northern conifers youngest of the species

Dramatic shifts in the planet's climate and geography over millions of years changed the course of evolutionary history for conifer trees, according to a Yale paper in the Proceedings of the National Academy of Sciences.

dateOct 04, 2012 in Plants & Animals
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Caves point to thawing of Siberia

Evidence from Siberian caves suggests that a global temperature rise of 1.5 degrees Celsius could see permanently frozen ground thaw over a large area of Siberia, threatening release of carbon from soils, ...

dateFeb 21, 2013 in Earth Sciences
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Atmospheric warming altering ocean salinity

The warming climate is altering the saltiness of the world's oceans, and the computer models scientists have been using to measure the effects are underestimating changes to the global water cycle, a group ...

dateApr 27, 2012 in Earth Sciences
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