![](https://webarchive.library.unt.edu/eot2008/20090813173120im_/http://astrobiology.nasa.gov/img/_placehold/placehold-ask.jpg)
![Ask an Astrobiologist](https://webarchive.library.unt.edu/eot2008/20090813173120im_/http://astrobiology.nasa.gov/img/text/ask-an-astrobiologist.gif)
"Couldn’t the "shore lines," "flood plains," and "riverbeds" of Mars be the result of shock waves from impact meteorites instead of water? "
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The Science of NAI - Overview Presentations Available as Podcasts
At last week’s NAI Executive Council meeting, each of NAI’s Principal Investigators delivered presentations outlining the science of their teams. Those presentations are now available as downloadable podcasts from the NAI website.
![Recent Articles](https://webarchive.library.unt.edu/eot2008/20090813173120im_/http://astrobiology.nasa.gov/img/text/hd_recent_mb.gif)
- AMASE 2009 expedition takes off in the Arctic
- AbSciCon 2010 First Announcement
- Living in a Dying Solar System, Part 2
- AbGradCon 2009: A Glimpse into Mixed-Reality Meetings of the Future
- Living in a Dying Solar System
- Planetary Science Decadal Survey: White Papers Posted for Comment
- Students Monitor Hydrothermal Features in Lassen Volcanic National Park
- Escuela International de AstrobiologĂa
- Summer Camp: The Quest for Life
- Wanted: Easy-Going Martian Roommates