Happy days! The Phoenix lander successfully set down on Mars in the early morning (UK time). The first pictures have been sent back. Hopefully there will be some really good science done over the next year or so as it probes its surroundings. The following sites have more info:
Plus, John Welch has some pertinent observations on the fact that it was science that made it possible for humanity to send this probe to the Mars.
Click picture for larger view of picture taken by Phoenix lander (© Nasa)