As Nasa prepares space shuttle Columbia for its 28th mission, excitement and trepidation build amongst the astronauts and their families while they count down to launch. Show more

Following three families whose daughters have been sectioned under the Mental Health Act to protect them from harming themselves, told in their own words with raw honesty. Show more

Louis Theroux meets the latest incarnation of the American far right: a political movement born out of the internet and increasingly making its presence felt on the political stage. Show more