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
Barcelona players and fans joined together in a minute's silence to remember the victims of Thursday's terror attack in the city.
Comedian and film star Jerry Lewis has died in his Las Vegas home at the age of 91.
Authorities in Spain say the terror cell behind two deadly attacks in the country has been "dismantled", but what is known about it?