Photos by AP Photo/UNRWA, Justin Sullivan/Getty Images, Robert Cohen/MCT/St. Louis Post-Dispatch, Andrew Hara/Getty Images, Yasuyoshi Chiba/Agence France-Presse, and ESA/Rosetta/MPS for OSIRIS Team, respectively.
Many many more photos of the year at In Focus, Reuters, Buzzfeed, Agence France-Presse, the NY Times, Time, and The Big Picture.