On 12 November 2014, the Philae probe achieved the first-ever soft landing on a comet nucleus. Colin Wilson, a researcher from Oxford, gives an update on the landing and explains the history and science behind this incredible mission.

Gloomy Worlds: Why are planets cloudy?

Find out more about our night sky, from new planets to far-off galaxies and the vastness of the Universe. A series of short talks and presentations for the general public from leading astronomy researchers at the Oxford University Physics department - http://www.physics.ox.ac.uk/