Out of thin Martian air
A wet Mars is just a memory, but where did the water go?
Space Exploration
Aug 23, 2011
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News tagged with ice caps
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.
Earth Sciences
Aug 4, 2011
26
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Ancient fossils hold clues for predicting future climate change, scientists report
(PhysOrg.com) -- By studying fossilized mollusks from some 3.5 million years ago, UCLA geoscientists and colleagues have been able to construct an ancient climate record that holds clues about the long-term effects of Earth's ...
Earth Sciences
Apr 8, 2011
2
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Europe, US to see snowy, cold winters: expert
Europe, North America and east Asia can expect more cold, moist and snowy winters such as the one just passed, a top scientist said Friday.
Environment
Jun 11, 2010
118
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Deep in sediments off Antarctica, Stanford scientists find insight into past -- and possible future -- climates
(PhysOrg.com) -- From the Antarctic Ocean, Earth scientist Rob Dunbar blogs about the challenges of drilling ancient deep-sea sediments -- and what he's found in them.
Earth Sciences
Feb 18, 2010
5
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Arctic ice cap 'to disappear in future summers'
The Arctic ice cap will disappear completely in summer months within 20 to 30 years, a polar research team said as they presented findings from an expedition led by adventurer Pen Hadow.
Earth Sciences
Oct 15, 2009
21
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Melting of the Greenland ice sheet mapped
Will all of the ice on Greenland melt and flow out into the sea, bringing about a colossal rise in ocean levels on Earth, as the global temperature rises? The key concern is how stable the ice cap actually is and new Danish ...
Earth Sciences
Sep 16, 2009
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New proxy reveals how humans have disrupted the nitrogen cycle
More and more, scientists are getting a better grip on the nitrogen cycle. They are learning about sources of nitrogen and how this element changes as it loops from the nonliving, such as the atmosphere, soil or water, to ...
Environment
Jun 4, 2009
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HiRISE Sees Signs of an Unearthly Spring on Mars
(PhysOrg.com) -- New images from the HiRISE experiment detail patterns of dust carried by gas from beneath the seasonal ice cap.
Space Exploration
Mar 25, 2009
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Resupplied North Pole explorers resume trek
Three British explorers fighting to survive a gruelling trek to the North Pole finally resumed their journey Friday after receiving vital supplies of food, fuel and equipment, organizers said.
Earth Sciences
Mar 20, 2009
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