Perhaps one of the most important discoveries of all time...
Nasa thinks they have evidence for the flowing of water recently on Mars.
http://www.nasa.gov/mission_pages/ma...-20061206.html
It'll be interesting to see how this develops, ther undoubtedly will be counter theories, but the news it stirs will be great for exploration. I'm just amazed that it's taken so long to get to the news.