The European Space Agency, which launched the Rosetta mission, is preparing for an event in Germany to mark the spacecraft's arrival at an icy comet.
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Supermarket website glitches have caused problems for shoppers who ordered their Christmas food delivery online.
Big Brother and Celebrity Big Brother were the most complained about programmes on British television this year, according to Ofcom.
A mild start to the Christmas week across many parts of the UK, rain spreading southwards over the next few days.