NASA's Phoenix lander successfully touches down on the arctic plains of the red planet, beginning a three-month mission to examine the ice-rich region that could be a habitable zone for life. This is the entry, descent and landing as seen live from Mission Control.
Source: NASA TV (18 min MPEG-4 (H.264) file)
Download this clip to your hardrive.
(Windows users right-click this link. Mac users control-click this link)