In the waters off Antarctica, algae grow and live in the sea ice that surrounds the southern continent-a floating habitat sure to change as the planet warms. As with most aquatic ecosystems, microscopic algae form the base ...
Earth Sciences
Dec 18, 2012
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0
For the past eight years, Operation IceBridge, a NASA mission that conducts aerial surveys of polar ice, has produced unprecedented three-dimensional views of Arctic and Antarctic ice sheets, providing scientists with valuable ...
Earth Sciences
Mar 10, 2017
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65
It's become a sport of sorts, predicting the low point of Arctic sea ice each year. Expert scientists with decades of experience do it but so do enthusiasts, whose guesses are gamely included in a monthly predictions roundup ...
Earth Sciences
Aug 14, 2012
9
0
ESA's EnVision mission to Venus will perform optical, spectral and radar mapping of Earth's sister planet. But before getting down to work the van-sized spacecraft needs to "aerobrake"—lowering its orbit with thousands ...
Space Exploration
Jul 28, 2022
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23
Expansion and retreat of sea ice varied consistently in pace with rapid climate changes through past 90,000 years, a new study in Nature Communications shows.
Earth Sciences
Aug 16, 2016
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17
Organisms found in the Antarctic region are not quick to adapt to changes in the environment, new international research shows. The study, carried out by 200 scientists from 15 countries, is the culmination of a 7-month expedition ...
Environment
Jun 16, 2011
2
0
(Phys.org)—This year, satellites saw the extent of Arctic sea ice hit a record low since measurements began in the 1970s. ESA's SMOS and CryoSat satellites are now taking a deeper look by measuring the volume of the sea-ice ...
Earth Sciences
Oct 8, 2012
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0
Yale University scientists have answered a 40-year-old question about Arctic ice thickness by treating the ice floes of the frozen seas like colliding molecules in a fluid or gas.
General Physics
Sep 17, 2015
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35
This summer, with sea ice across the Arctic Ocean shrinking to below-average levels, a NASA airborne survey of polar ice just completed its first flights. Its target: aquamarine pools of melt water on the ice surface that ...
Earth Sciences
Jul 19, 2016
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16
Scientists have found that the metabolic changes that allowed whales and dolphins to adapt to their aquatic lifestyle have implications on how we should assess the impact of human activities on their conservation.
Plants & Animals
Feb 5, 2021
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