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

created May 31, 2012 | popularity 5 / 5 (9) | comments 2 | with audio podcast

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

created May 04, 2012 | popularity 4.4 / 5 (22) | comments 46

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 ...

Biology / Evolution

created Apr 20, 2012 | popularity 4 / 5 (3) | comments 69 | with audio podcast report

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

created Apr 16, 2012 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

Icy Moons through Cassini's Eyes

(PhysOrg.com) -- These raw, unprocessed images of Saturn's moons Enceladus, Janus and Dione were taken on March 27 and 28, 2012, by NASA's Cassini spacecraft.

Space & Earth / Space Exploration

created Mar 29, 2012 | popularity 4.7 / 5 (3) | comments 0

Cassini to make closest pass yet over Enceladus South Pole

(PhysOrg.com) -- NASA's Cassini spacecraft is preparing to make its lowest pass yet over the south polar region of Saturn's moon Enceladus, where icy particles and water vapor spray out in glittering jets. ...

Space & Earth / Space Exploration

created Mar 27, 2012 | popularity 5 / 5 (2) | comments 0

Climate change could impact on polar ecosystems

Polar ecosystems could be at risk from the spread of toxic cyanobacteria if the climate continues to warm, say scientists.

Space & Earth / Environment

created Mar 02, 2012 | popularity 5 / 5 (2) | comments 1

From 'science from above' to 'science in the community'

Most research initiatives aim to discover more knowledge. The International Polar Year (IPY) went even further; it created more discoverers.

Space & Earth / Earth Sciences

created Feb 19, 2012 | popularity not rated yet | comments 0

Americans' knowledge of polar regions up, but not their concern

Americans' knowledge of facts about the polar regions of the globe has increased since 2006, but this increase in knowledge has not translated into more concern about changing polar environments, according to new research ...

Space & Earth / Earth Sciences

created Feb 07, 2012 | popularity 1 / 5 (1) | comments 0

A new way to measure Earth's magnetosphere

US researchers have demonstrated the potential use of a new way to measure properties of Earth's magnetosphere, the magnetic bubble that surrounds the planet.

Space & Earth / Earth Sciences

created Jan 04, 2012 | popularity 5 / 5 (2) | comments 1

South polar region of Titan, Saturn's largest moon

(PhysOrg.com) -- This view from NASA's Cassini spacecraft looks toward the south polar region of Saturn's largest moon, Titan, and shows a depression within the moon's orange and blue haze layers near the ...

Space & Earth / Space Exploration

created Dec 29, 2011 | popularity 3 / 5 (2) | comments 0

MARSIS completes measurement campaign over Martian North Pole

(PhysOrg.com) -- The Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) instrument on board Mars Express has recently completed a subsurface sounding campaign over the planet's North Pole. ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 2 / 5 (2) | comments 3

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

created Dec 02, 2011 | popularity 4.8 / 5 (10) | comments 3 | with audio podcast

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.

Space & Earth / Environment

created Dec 01, 2011 | popularity 4.9 / 5 (11) | comments 15

CO2 bonds in sea ice: Small living creatures with major impact

Due to the presence of salts, the freezing point of sea water is below zero. During freezing, channels in which the salt accumulates, so-called "brine channels," are formed in the ice. They serve as a habitat ...

Space & Earth / Earth Sciences

created Nov 11, 2011 | popularity 4.8 / 5 (4) | comments 4