Bizarre rock 'ice shelf' found in Pacific
A huge cluster of floating volcanic rocks covering almost 26,000 square kilometres (10,000 square miles) has been found drifting in the Pacific, the New Zealand navy said Friday.
Arctic climate more vulnerable than thought, maybe linked to Antarctic ice-sheet behavior
First analyses of the longest sediment core ever collected on land in the terrestrial Arctic, published this week in Science, provide documentation that intense warm intervals, warmer than scientists though ...
Arctic ice melt sets stage for cold weather
(Phys.org) -- The dramatic melt-off of Arctic sea ice due to climate change is hitting closer to home than millions of Americans might think. That's because melting Arctic sea ice can trigger a domino effect ...
Expedition studies acid impacts on Arctic
The effects of ocean acidification on Arctic seas will be studied by a team of 30 researchers, including Dr Toby Tyrrell from the University of Southampton, who set sail from the UK today (1 June), venturing ...
Fur loss, lesions reported in Beaufort Sea polar bears
Research scientists working for the U.S. Geological Survey report that some Alaska polar bears are losing their fur.
PCBs levels down in Norwegian polar bears
It's never been easy to be a polar bear. They may have to go months without eating. Their preferred food, seal, requires enormous luck and patience to catch. Add to that the melting of Arctic sea ice due to climate change, ...
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.
NASA's IceBridge 2012 Arctic campaign takes to the skies
Researchers and flight crew with NASA's Operation IceBridge, an airborne mission to study changes in polar ice, began another season of science activity with the start of the 2012 Arctic campaign on March 13. From mid-March ...
Webcam tracks 3-month-old polar bear's development
(AP) -- Advocacy groups have set up a webcam to let viewers worldwide follow the development of a three-month-old polar bear cub in a Danish wildlife park.
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 ...
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. ...
Antarctic expedition checks CryoSat down-under
(PhysOrg.com) -- Next week marks 100 years since Roald Amundsen reached the South Pole. As a team of scientists brave the Antarctic to validate data from ESAs CryoSat mission, its hard to imagine ...
Is cannibalism in polar bears on the rise?
Taking the pulse of an iceberg -- scientists simulate laser imaging for NASA missions
Monitoring glaciers and ice sheets is complicated work. They move and change shape. They melt.