(Phys.org) —NASA research indicates hunks of frozen carbon dioxide—dry ice—may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go.
Jun 11, 2013
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Humans began contributing to environmental lead pollution as early as 8,000 years ago, according to a University of Pittsburgh research report.
Jun 11, 2013
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A mystery of the moon that imperiled astronauts and spacecraft on lunar missions has been solved by a Purdue University-led team of scientists as part of NASA's GRAIL mission.
May 30, 2013
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Crippled in space, the Kepler spacecraft's planet-hunting days are likely over. But its discoveries may be yet to come.
May 29, 2013
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(Phys.org) —Life as we know it may not have existed if the Earth wasn't repeatedly bombarded by massive planetary bodies more than 4 billion years ago according to new research conducted by scientists at ...
May 22, 2013
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Keeping track of individuals in an endangered population of animals is a cumbersome and time-consuming task. Conservationists physically tag animals in the wild to better follow them over time. But tagging ...
May 01, 2013
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With the successful retrieval of a string of instruments from deep beneath the seafloor, an international team of scientists has completed an unprecedented series of operations to obtain crucial temperature ...
May 01, 2013
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Forecasting volcanic eruptions with success is heavily dependent on recognizing well-established patterns of pre-eruption unrest in the monitoring data. But in order to develop better monitoring procedures, ...
Apr 29, 2013
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(Phys.org) —Many collisions occur between asteroids and other objects in our solar system, but scientists are not always able to detect or track these impacts from Earth. The "rogue debris" created by such collisions can ...
Apr 23, 2013
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The Next Generation Science Standards have been released, and Washington University in St. Louis members are playing significant roles.
Apr 12, 2013
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If you've ever stood on a hill during a rainstorm, you've probably witnessed landscape evolution, at least on a small scale: rivulets of water streaming down a slope, cutting deeper trenches in the earth ...
Apr 10, 2013
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(Phys.org) —Yearly expeditions to explore the lava tubes on the famed archipelago will culminate in an international symposium to be held there next year.
Apr 08, 2013
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As recently as 5,000 years ago, the Sahara—today a vast desert in northern Africa, spanning more than 3.5 million square miles—was a verdant landscape, with sprawling vegetation and numerous lakes. Ancient ...
Apr 05, 2013
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(Phys.org) —Researchers from Dartmouth College in the U.S. as part of their presentation at the 44th Lunar and Planetary Science Conference this past week, have given evidence that suggests it was a come ...
Mar 25, 2013
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The end of NASA's plutonium shortage may be in sight. On Monday March 18th, NASA's planetary science division head Jim Green announced that production of Plutonium-238 (Pu-238) by the United States Department ...
Mar 21, 2013
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