Hacker News
- NASA Spacecraft Data Suggest Water Flowing on Mars http://www.nasa.gov/mission_pages/MRO/news/mro20110804.html 7 comments
- NASA Spacecraft Data Suggest Water Flowing on Mars http://www.nasa.gov/mission_pages/mro/news/mro20110804.html 4 comments science
- NASA Spacecraft Data Suggest Water Flowing on Mars http://www.nasa.gov/mission_pages/mro/news/mro20110804.html 12 comments reddit.com
- NASA Spacecraft Data Suggest Water Flowing on Mars - NASA Jet Propulsion Laboratory http://www.jpl.nasa.gov/news/news.cfm?release=2011-242 3 comments reddit.com