(Phys.org)—Research has shown a decrease in levels of the isotope nitrogen-15 in core samples from Greenland ice starting around the time of the Industrial Revolution. The decrease has been attributed to a corresponding ...
Environment
Dec 7, 2012
15
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(Phys.org)—In a preliminary analysis of images from NASA's Dawn mission, scientists have spotted intriguing gullies that sculpt the walls of geologically young craters on the giant asteroid Vesta. Led by Jennifer Scully, ...
Space Exploration
Dec 6, 2012
11
0
(Phys.org)—Researchers from NASA's Ames Research Center have presented their findings regarding the study of raindrop imprints left behind in volcanic ash approximately 2.7 billion years ago, at the American Geophysical ...
(Phys.org)—Just 96 days since their launch, NASA's twin Van Allen Probes have already provided new insights into the structure and behavior of the radiation belts that surround Earth, giving scientists a clearer understanding ...
Space Exploration
Dec 6, 2012
3
1
In the search for rogue nukes, researchers have discovered an unlikely tool: astronomical radio telescopes.
Earth Sciences
Dec 5, 2012
0
0
(Phys.org)—The latest work assignment for NASA's long-lived Mars rover Opportunity is a further examination of an area where the robot just completed a walkabout.
Space Exploration
Dec 4, 2012
0
0
(Phys.org)—A new analysis of topographic and gravity data from Titan, the largest of Saturn's moons, indicates that Titan's icy outer crust is twice as thick as has generally been thought.
Space Exploration
Dec 4, 2012
8
0
(Phys.org)—Research by Stanford scientists focuses on geologic features and activity in the Himalayas and Pacific Northwest that could mean those areas are primed for major earthquakes.
Earth Sciences
Dec 4, 2012
3
0
(Phys.org)—For decades, a source of powerful earthquakes and volcanic activity on the Pacific Rim was shrouded in secrecy, as the Soviet government kept outsiders away from what is now referred to as the Russian Far East.
Earth Sciences
Dec 3, 2012
0
0
The colorful leaves piling up in your backyard this fall can be thought of as natural stores of carbon. In the springtime, leaves soak up carbon dioxide from the atmosphere, converting the gas into organic carbon compounds. ...
Mathematics
Oct 3, 2012
0
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