29 Sep 2014 29 Sep 2014 An image from NASA's Mars Curiosity rover shows the ‘Amargosa Valley’, on the boundary between the plains of Gale Crater and the layered slopes of Mount Sharp.NASA/JPL-Caltech/MSSS FeatureSpace Martian milestones It's been an action-packed month for the Red Planet. by COSMOS editors News Technology NASA to test 3D printer on space station by Cathal O'Connell Astronauts could make their own spare parts. Feature Special edition: Robots and AI The Google car: Driving hands-free by Tim Dean Cars that drive themselves are safer than those driven by humans. Culture Life Sciences Can milk give you cancer? by Matthew Flavel One size does not fit all in prevention. Opinion Life Sciences Review: Flying dinosaurs by Bill Condie Dinosaurs are no longer the scaly beasts you imagined them to be as a child. News Physical Sciences Highlights from the news blog by COSMOS editors Stories from the COSMOS daily blog.