The US shuttle Discovery blasted off from the Kennedy Space Center for the last time. Around 40,000 guests gathered to watch the launch, carrying six astronauts and the first humanoid robot into space. Wish them well.
http://www.bbc.co.uk/news/science-environment-12573413
http://www.nytimes.com/2011/02/25/science/space/25shuttle.html?_r=1&ref=spaceshuttle
http://www.guardian.co.uk/science/2011/feb/25/shuttle-launch-discovery-last-time