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6/15/2011
They are extreme environments. But scientists are intrigued by the swirling ocean currents, the seasonal rhythms, the abundant nutrients, and the interaction of ice, air, and water that support life at the Poles.
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4/28/2011
Scientists have observed a “super-aggregation” of more than 300 humpback whales gorging on the largest swarm of Antarctic krill seen in more than 20 years in bays along the Western Antarctic Peninsula.
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10/27/2010
Temperature data collected by sensor-equipped narwhals, toothed Arctic whales, in southern Baffin Bay off West Greenland indicate that warming has continued since wintertime ocean temperatures were last measured there in the early 2000s.
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10/21/2010
The Arctic region, also called the “planet’s refrigerator,” continues to heat up, affecting local populations and ecosystems as well as weather patterns in the most populated parts of the Northern Hemisphere, according to a team of scientists.
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10/8/2010
A 71-year-old ecology professor is a member of an Antarctic research team that is searching out experiments left in McMurdo Sound more than 40 years ago. These "lost experiments" will show how the ecosystem has changed over time.
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10/7/2010
The Woods Hole Oceanographic Institution presents an audio slideshow about what it takes to dive safely in polar seas and what there is to learn by doing it.
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10/7/2010
At the end of each summer, sea ice in the Arctic reaches its minimum extent for the year. This NASA animation shows the retreat of Arctic sea ice cover from March 31 through September 19, as recorded by the AMSR-E instrument on the Aqua satellite.
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10/6/2010
This U.S. Geological Survey website presents studies of the relationships of polar bears to present and future sea ice environments.
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7/12/2010
How does a female penguin choose a mate? Courtship calls help females decide which males are likely to be devoted dads, says a study in the journal Behaviour.
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7/9/2010
NASA-funded researchers monitoring Greenland's Jakobshavn Isbrae glacier report that a 7-square-kilometer (2.7 square-mile) section of the glacier broke up on July 6 and 7. The chunk is roughly one-eighth the size of Manhattan.
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