Becky Smethurst shows how citizen science and the Galaxy Zoo project is helping researchers tackle difficult scientific questions.

Things that go bump in the night: Exploding stars and black holes

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/