Researchers from NAI’s University of Arizona team and their colleagues at the University of Leeds have a new paper in Angewandte Chemie International Edition dealing with prebiotic chemistry and the […]
Origin & Evolution of Life
Posted inBiosignatures & Paleobiology, Origin & Evolution of Life
Cyanobacterial Biomarkers in Ancient Rocks
Members of NAI’s Penn State, Carnegie Institution, and MIT teams report in a recent issue of Earth and Planetary Science Letters, the distribution of biomarkers in 2.72-2.56 billion-year-old, Neoarchean rocks […]
Posted inOrigin & Evolution of Life
"Little Bang" Triggered Solar System Formation
Astrophysicists from the NAI’s Carnegie Institution of Washington team and their colleagues have shown for the first time that a supernova could have triggered the solar system’s formation under conditions […]
Posted inAstrobiology (general), Education and Outreach, Exoplanets, -moons, -comets, Origin & Evolution of Life
Carl Sagan Postdoctoral Fellowships in Exoplanet Exploration
The NASA Exoplanet Science Institute announces the introduction of the Sagan Postdoctoral Fellowship Program and solicits applications for fellowships to begin in the fall of 2009. The Sagan Fellowships support […]
Posted inBiosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life
Iron Isotope Record Reflects Microbial Metabolism Through Time
NAI’s University of Wisconsin team presents a review of iron isotope fingerprints created through biogeochemical cycling in the May, 2008 issue of The Annual Review of Earth and Planetary Sciences. […]
Posted inConferences and Meetings, NASA Astrobiology Program, Origin & Evolution of Life
NAI Director's Seminar: Norm Sleep, "Habitability of Superearths"
Date/Time: Monday, September 29, 2008 11:00AM PacificSpeaker: Norm Sleep, Stanford University Abstract: Silicate super-earths are rocky planets with masses up to ~10 that of the Earth. They are of astrobiological […]
Posted inOrigin & Evolution of Life
Jack Hills Zircons: New Information About Earth's Earliest Crust
Members of NAI’s University of Wisconsin, Madison team have a new paper in Earth and Planetary Science Letters presenting their analyses of 4.35 – 3.36 billion year old detrital zircons […]
Posted inOrigin & Evolution of Life
Shallow Water Origin of Life?
Astrobiologists hypothesize that shallow water, not deep water, may have cradled the planet’s first life; that the dark, carbon-poor depths offered little energy to emerging life. But the newfound abundance […]
Posted inNASA Astrobiology Program, Origin & Evolution of Life, Water/Hycean Worlds & Oceanography
Seafloor Microbes Abundant and Thriving … An Alternative Cradle for Life?
Researchers from NAI’s Marine Biological Laboratory Team continue their study of the deep biosphere, reporting the latest results in Nature. This new study reveals that bacterial communities dwelling on ocean-bottom […]
Posted inGenomics, Proteomics, Bioinformatics, Origin & Evolution of Life
NSF Dear Colleague Letter – Assembling the Tree of Life Solicitation
Dear Colleague, The National Science Foundation’s Assembling the Tree of Life (AToL) solicitation has recently been renewed and updated (see the program solicitation, NSF 08-515; http://www.nsf.gov/publications/pub_summ.jsp?ods_key=nsf08515). As in the past, […]