Space
#RosettaWatch: 67P formed when two baby comets got together
A gentle dance involving two chunks of dirty ice may explain the distinctive duck-like shape of the Rosetta probe's quarry
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A gentle dance involving two chunks of dirty ice may explain the distinctive duck-like shape of the Rosetta probe's quarry
Trails of stellar debris suggest that ancient galactic crashes funnelled gas toward a central black hole, sparking active galaxies' inner glow