The NAI scientists who put an innovative “tree of life” online last year now have made that same resource available — for free — for iPhone users. The new “TimeTree” […]
Origin & Evolution of Life
Posted inAstrogeology, Conferences and Meetings, Origin & Evolution of Life
Call for Abstracts: 2010 GSA Meeting Session T110, 'Mountain Formation and Landscape Evolution in the Solar System: Implications for the Origin of Life'
Abstract Submission Deadline: August 10, 2010 2010 Geological Society of America National Meeting: T110, Mountain Formation and Landscape Evolution in the Solar System: Implications for the Origin of Life. Organizers: […]
Posted inAstrobiology (general), Astrochemistry, Astrogeology, Origin & Evolution of Life
Geochemical Constraints on Biological Evolution
A NASA Astrobiology Institute-funded study led by Chris Dupont of the J. Craig Venter Institute indicates that environmental availability of trace elements over Earth’s history influenced the selection of elements […]
Posted inConferences and Meetings, Mars, Meteorites & Asteroids, Origin & Evolution of Life
NPP Seminar: Oleg Abramov, "Impact Bombardments on Early Earth and Mars: Implications for Habitability"
Join us for the second in a series of NASA Astrobiology Postdoctoral Program (NPP) seminars! Date/Time: Monday, July 12th, 11am Pacific Time Title: “Impact Bombardments on Early Earth and Mars: […]
Posted inAstrobiology (general), Biosignatures & Paleobiology, Origin & Evolution of Life
Early Earth Focus Group Workshop: "Anoxygenic Phototrophic Ecosystems (APE): Ancient and Modern"
Workshop Dates: October 11-13, 2010 NAI, together with the Agouron Institute and the Canadian Institute for Advanced Research, are again sponsoring a field workshop of the Early Earth Focus Group […]
Posted inConferences and Meetings, Extremeophiles and Extreme Environments, Origin & Evolution of Life, Water/Hycean Worlds & Oceanography
Director's Seminar: Lee Kump, "Evolution of the Oceans: Pale Pink Dot"
Date/Time: Monday, June 21, 2010 11:00AM Pacific Speaker: Lee Kump (Pennsylvania State University) Title: “Evolution of the Oceans: Pale Pink Dot” Although uniformitarian views dominated early thinking of ocean chemical […]
Posted inBiosignatures & Paleobiology, Origin & Evolution of Life, Water/Hycean Worlds & Oceanography
Early Oceans, Early Animals
The Ediacaran Period (635-542 million years ago) was a time of fundamental environmental and evolutionary change, culminating in the first appearance of macroscopic animals. A new study from NAI’s Arizona […]
Posted inBiosignatures & Paleobiology, Origin & Evolution of Life
Microbial Iron Reduction in BIF's?
Studies of modern sedimentary analogs to ancient rock precursors are critical to gain insight into the biogeochemical processes responsible for generating unique chemical or isotopic compositions in ancient rocks. A […]
Posted inAstrobiology (general), Biosignatures & Paleobiology, Conferences and Meetings, Extremeophiles and Extreme Environments, Origin & Evolution of Life
NAI Director's Seminar: Katrina Edwards, "Intraterrestrial Life on Earth"
Date/Time: Monday, June 7, 2010 11:00AM PacificSpeaker: Katrina Edwards (University of Southern California)Title: “Intraterrestrial Life on Earth” In 1986, scientists sailing in the Pacific Ocean made an astonishing discovery. In […]
Posted inBiosignatures & Paleobiology, Origin & Evolution of Life
Isotopic Evidence of Early Life in Western Australia
Researchers from NAI’s University of Wisconsin Team studied carbon and iron isotopes in core samples from 2.7-2.5 billion year old rocks in Western Australia. New iron isotope data integrated with […]