Ames is proud to announce the first lecture in a series on the Evolution of Science and Technology. On Thursday, March 12 at 7:00 PM at the Mountain View Center […]
Origin & Evolution of Life
Posted inAstrogeology, Biosignatures & Paleobiology, Habitable Zones, Origin & Evolution of Life
Evolution of the Modern Nitrogen Cycle
NAI’s Deep Time Drilling Project supported the drilling of several pristine cores from ancient rocks in Western Australia in 2004, and a new paper in Science, led by University of […]
Posted inOrigin & Evolution of Life
Most Prokaryotes Trace to an Ancient Origin on Land
Bacteria are not usually thought of as having a natural habitat like a mammal or insect, but indirect evidence has suggested that, if anything, most of the early evolution of […]
Posted inHabitable Zones, Journal articles, Origin & Evolution of Life
A Revised, Hazy Methane Greenhouse for the Archean Earth
Geological and biological evidence suggests that Earth was warm during most of its early history, despite the fainter young Sun. Upper bounds on the atmospheric CO2 concentration in the Late […]
Posted inAstrobiology (general), Conferences and Meetings, Origin & Evolution of Life
Astrobiology Workshop: Open Questions on the Origins of Life
Workshop: OPEN QUESTIONS ON THE ORIGINS OF LIFESAN SEBASTIAN, SPAIN, MAY 20-23, 2009Organizers: Pier Luigi Luisi and Kepa Ruiz-Mirazo The overall idea behind this workshop is to tackle a number […]
Posted inArctic / Antarctic / Alpine, Education and Outreach, Exoplanets, -moons, -comets, Origin & Evolution of Life
Nordic Summer School: "Water, Ice and the Origin of Life in the Universe"
NAI – Nordic Summer School: “Water, Ice and the Origin of Life in the Universe” Iceland, 29 June to 13 July 2009 The NASA Astrobiology Institute and the Nordic Astrobiology […]
Posted inBiosignatures & Paleobiology, Origin & Evolution of Life
Miller-Urey Revisited
Members of NAI’s Carnegie Institution of Washington, Indiana University, and NASA Goddard Space Flight Center Teams and their colleagues have revisited the Miller-Urey experiments, and found some surprising results. A […]
Posted inEducation and Outreach, Extremeophiles and Extreme Environments, Origin & Evolution of Life, Water/Hycean Worlds & Oceanography
2 PhD Student and 2 Postdoctoral Researcher Positions- Hydrothermal Activity on the Mid-Cayman Spreading Center
Starting January 1, 2009, a new 4-year program will investigate hydrothermal systems on the Mid-Cayman Spreading Center (MCSC) under NASA’s ASTEP program – a joint collaboration between Woods Hole Oceanographic […]
Posted inAstrochemistry, Origin & Evolution of Life
Mirror-Image Clues to Life's Origins
According to an article published in the Washington Post, scientists studying the Murchison meteorite have found that it contains clues to the origin of chirality. Amino acids in nature have […]
Posted inAstrogeology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Origin & Evolution of Life
Life Without the Sun
An ecosystem discovered 2.8 kilometers underground in the Mponeng Gold Mine near Johannesburg, South Africa two years ago has now been shown to comprise only a single species of microbe, […]