One decade and four billion miles after beginning its pursuit of comet the Rosetta spacecraft's finally caught up with comet 67P/C-G.
Scientists say the images it will capture could reveal more about the origins of life on earth.
ITV News correspondent Paul Davies reports:
More top news
Sir Ian McKellen has revealed he was in "two minds" about accepting his knighthood as he thinks the honour system is unfair.
Harlem Globetrotters legend Haynes has been hailed as "a pioneer" who helped "set the tone for modern basketball", following his death.
The British public have voted St Paul's Cathedral the country's favourite building ahead of Stonehenge and Buckingham Palace.