The programme goes behind the scenes at Nasa as the countdown commences to the landing of a billion-dollar nuclear-powered rover on the surface of Mars. Show more
With the exciting news that the Philae lander had woken up on comet 67P, Sky at Night reveals the latest results from the Rosetta comet landing. Show more
Chris Packham explores what makes animal groups successful. He looks at how the great ape's brain has been adapted by its anatomy, ingenuity and sociability. Show more
In Conversation
Episode 2: Ken Loach in Conversation with Cillian Murphy
1 hour on BBC Four HD
Available for years
At the BFI Southbank, Ken Loach talks about a career dedicated to documenting social and political injustice, the importance of artistic collaboration, and the humour in his films. Show more
Gritty social-realist drama. Desiring normal family life once his mother gets out of prison, Greenock teenager Liam (Martin Compston) devises a plan to buy a new home for them. Show more
This episode of the science series explores a dizzying world of cosmic bounces, rips and multiple universes, and finds out what happened before the big bang. Show more
Documentary exploring girl groups from the inside out. Chart legends including members of Bananarama, the Supremes, the Spice Girls and Girls Aloud discuss life in a girl group. Show more
Documentary about soul singer Otis Redding, featuring his 1967 tour of Britain, his subsequent success in America at the Monterey Festival, and his posthumous hit Dock of the Bay. Show more
A collection of some of the greatest soul performances from the BBC's archive, featuring Aretha Franklin, Al Green, Dusty Springfield, Isaac Hayes, Solomon Burke and Percy Sledge.