Odd Martian crater type made by impacts into ancient ice
Geologists from Brown University have developed a promising new explanation for a mysterious type of crater on the surface on Mars.
Geologists from Brown University have developed a promising new explanation for a mysterious type of crater on the surface on Mars.
Space Exploration
Aug 5, 2013
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A wet Mars is just a memory, but where did the water go?
Space Exploration
Aug 23, 2011
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Almost 40 years ago, NASA's Mariner 9 spacecraft relayed to Earth the first video images of Mars' northern polar ice cap, revealing a strange pattern of spiral swirls that has puzzled scientists ever since. Using new data ...
Space Exploration
Jun 16, 2010
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The combination of erosion and melting ice caps led to a massive increase in volcanic activity at the end of the last ice age, according to new research. As the climate warmed, the ice caps melted, decreasing the pressure ...
Earth Sciences
Feb 1, 2016
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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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The last piece of the ice sheet that once blanketed much of North America is doomed to disappear in the next several centuries, says a new study by researchers at Simon Fraser University in British Columbia and the University ...
Earth Sciences
Mar 20, 2017
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From a boardwalk overlooking Chicago's deserted Ohio Street Beach in the throes of winter, it's not hard to imagine the last ice age. A blanket of fresh snow covers the shoreline and pale blue ice glazes over Lake Michigan ...
Earth Sciences
Mar 4, 2019
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Melting glaciers and ice caps on Canadian Arctic islands play a much greater role in sea level rise than scientists previously thought, according to a new study led by a University of Michigan researcher.
Earth Sciences
Apr 20, 2011
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A new model reconstruction shows in exceptional detail the evolution of the Eurasian ice sheet during the last ice age. This can help scientists understand how climate and ocean warming can effect the remaining ice masses ...
Earth Sciences
Jan 17, 2017
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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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