ScienceRosetta orbiter science data reveals surprising facts about comet 67P/Churyumov-Gerasimenko Scientific data sent by NASA's instrument Alice from the Rosetta orbiter deployed to study the comet 67P reveals that the comet is darker than coal. There were also no large water-ice patches that scientists expected to see.by Rhodi Lee
ScienceAsteroid 2014 RC buzzed by Earth dangerously close last weekend: What you should knowby Jim Algar