News tagged with polar region
Enceladus plume is a new kind of plasma laboratory
(Phys.org) -- Recent findings from NASA's Cassini mission reveal that Saturn's geyser moon Enceladus provides a special laboratory for watching unusual behavior of plasma, or hot ionized gas. In these recent ...
Space & Earth / Space Exploration
May 31, 2012 |
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New study suggests polar bears evolved earlier than previously thought
(Phys.org) -- A new genetic analysis carried out by and international team of scientists has revealed that polar bears and brown bears may have diverged around 600,000 years ago, which is much earlier than ...
Apr 20, 2012 |
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Antarctic waters changing due to climate: study
The densest waters of Antarctica have reduced dramatically over recent decades, in part due to man-made impacts on the climate, Australian scientists said Friday.
Space & Earth / Earth Sciences
May 04, 2012 |
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Arctic ice cover hits historic low: scientists
The area covered by Arctic sea ice reached its lowest point this week since the start of satellite observations in 1972, German researchers announced on Saturday.
Space & Earth / Earth Sciences
Sep 10, 2011 |
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Cassini to dip into Enceladus spray again
(Phys.org) -- Less than three weeks after its last visit to the Saturnian moon Enceladus, NASA's Cassini spacecraft returns for an encore. At closest approach on April 14, the spacecraft will be just as low ...
Space & Earth / Space Exploration
Apr 16, 2012 |
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NASA's Dawn collects a bounty of beauty from Vesta
(PhysOrg.com) -- A new video from NASA's Dawn spacecraft takes us on a flyover journey above the surface of the giant asteroid Vesta.
Space & Earth / Space Exploration
Sep 16, 2011 |
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UN scientists say ozone layer depletion has stopped
The protective ozone layer in the earth's upper atmosphere has stopped thinning and should largely be restored by mid century thanks to a ban on harmful chemicals, UN scientists said on Thursday.
Space & Earth / Earth Sciences
Sep 16, 2010 |
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Ultrafast substorm auroras explained (w/ video)
(PhysOrg.com) -- From time to time, sudden releases of energy in Earth's magnetosphere lead to major disturbances that result in bright auroral displays over the planet's polar regions. These auroras are caused by a phenomenon ...
Sep 06, 2011 |
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What's that sparkle in Cassini's eye?
The moon Enceladus, one of the jewels of the Saturn system, sparkles peculiarly bright in new images obtained by NASA's Cassini spacecraft. The images of the moon, the first ever taken of Enceladus with Cassini's ...
Space & Earth / Space Exploration
Dec 02, 2011 |
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Researchers set alarm for incoming space storms
(PhysOrg.com) -- A team of researchers at the University of Alberta in Edmonton has broken new ground in outer space by pinpointing the impact epicentre of an Earthbound space storm as it crashes into the ...
Space & Earth / Space Exploration
May 27, 2009 |
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'Dramatic' solar flare could disrupt Earth communications (Update)
An unusual solar flare observed by a NASA space observatory (video) on Tuesday could cause some disruptions to satellite communications and power on Earth over the next day or so, officials said. ...
Space & Earth / Space Exploration
Jun 07, 2011 |
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Ecological impact on Canada's Arctic coastline linked to global climate change
Scientists from Queen's and Carleton universities head a national multidisciplinary research team that has uncovered startling new evidence of the destructive impact of global climate change on North America's ...
May 16, 2011 |
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Arctic ice cap near 2007 record minimum: Russia
The polar ice cap in the Arctic has melted to near its 2007 record minimum level and in some areas is 50 percent smaller than average, Russia's environmental monitoring agency said Thursday.
Space & Earth / Earth Sciences
Aug 04, 2011 |
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Federal report: Arctic much worse since 2006
(AP) -- Federal officials say the Arctic region has changed dramatically in the past five years - for the worse.
Dec 01, 2011 |
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Scientists: Soot may be key to rapid Arctic melt
An international research team is in the land of snow and ice, in search of soot.
Apr 20, 2011 |
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