We have reached Pluto, now what? OPINION: Now that we have explored the solar system, from Mercury to Pluto, where do we go next? Here are some suggestions.
News from Rosetta: Mysterious holes help unlock secrets of the universe Mysterious holes on the surface of comet 67P are photographed in unprecedented detail, helping to unlock the history of the solar system.
Mammoth extinction: new study questions comet theory Did extreme weather changes kill off the woolly mammoths? Scientists continue to disagree.
Danish scientist hopes to find origins of life on comet After her ten-year voyage the Rosetta spacecraft is preparing to land today on the comet 67P/ Churyumov-Gerasimenko. Scientists at Aarhus University can't wait to get their hands on the data from the mission. It may well tell the story of how life came to earth.