Rosetta Live: #3 Touchdown

For the first time in history, scientists are attempting to land a robotic probe on a comet - the final and most challenging stage of the Rosetta mission. Nature Video heads off to the European Space Agency's mission control in Darmstadt, Germany to bring you the events as they unfold. In this final episode, the real nail biting begins. With its progress now totally in the hands of fate, will Philae land safely? nature.com/philae