The first ever landing of a man-made probe onto a comet has been named Physics World Breakthrough of the Year for 2014.
From a shortlist of 10 highly commended breakthroughs, the historic achievement by scientists working on the Rosetta mission was singled out by the Physics World editorial team for its significance and fundamental importance to space science.
Awarded jointly to to Isamu Akasaki, Hiroshi Amano and Shuji Nakamura for the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources. More info http://www.nobelprize.org/nobel_prizes/physics/