Researchers are providing new information about the 'diet' of microorganisms on the early Earth. By studying 3.45-billion-year-old rocks, the team uncovered clues about ancient microbial metabolism.
Earth Sciences
Nov 21, 2012
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(Phys.org)—In an unprecedented find, a research team including scientists from Pacific Northwest National Laboratory discovered that the three electronic and electrochemical properties having to do with the energy necessary ...
Materials Science
Nov 21, 2012
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(Phys.org)—Solar systems with life-bearing planets may be rare if they are dependent on the presence of asteroid belts of just the right mass, according to a study by Rebecca Martin, a NASA Sagan Fellow from the University ...
Astronomy
Nov 1, 2012
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(Phys.org)—A literal shot in the dark by imaging cameras on NASA's Cassini spacecraft has yielded an image of a visible glow from Titan, emanating not just from the top of Titan's atmosphere, but also - surprisingly - from ...
Space Exploration
Nov 1, 2012
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The giant impact believed to have formed the Earth-Moon system has long been accepted as canon. However, a major challenge to the theory has been that the Earth and Moon have identical oxygen isotope compositions, even though ...
Space Exploration
Oct 17, 2012
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(Phys.org)—It's a big claim, but Washington University in St. Louis planetary scientist Frédéric Moynier says his group has discovered evidence that the Moon was born in a flaming blaze of glory when a body the size of ...
Space Exploration
Oct 17, 2012
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(Phys.org)—Researchers at Penn State University have developed a chemical model that mimics a possible step in the formation of cellular life on Earth four-billion years ago. Using large "macromolecules" called polymers, ...
Cell & Microbiology
Oct 14, 2012
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Despite its impressive biological resume, phosphorus is relatively inaccessible as elements go. To understand how phosphorus obtained its prominent role, scientists are modeling the early geochemical environment on Earth ...
Earth Sciences
Aug 23, 2012
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(Phys.org) -- For years, many scientists had thought that plate tectonics existed nowhere in our solar system but on Earth. Now, a UCLA scientist has discovered that the geological phenomenon, which involves the movement ...
Space Exploration
Aug 9, 2012
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Mars is set to get its latest visitor Sunday night when NASA's new robotic rover, named Curiosity, attempts to land there. Mars has been a prime target for space exploration for decades, in part because its climate 3.5 billion ...
Space Exploration
Aug 3, 2012
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