Mar 08, 2010 on BBC FOUR at 10:00 PM


Half a century ago, scientists were speculating about the possibility of planets outside our solar system. Since then over 400 such extra-solar planets have been discovered. Is there anything living on them and if so, is it intelligent? Sir Patrick M... (more)oore debates the question of life in the universe with today's planet hunters and astrobiologists, while at the Royal Society Dr Chris Lintott searches for evidence of alien life.

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The Spirit of Mars
Season 2010 Episode 2

Feb 09, 2010

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The Sun in Splendour
Season 2010 Episode 4

Apr 07, 2010