Postal service honors Pluto mission, 'Star Trek' in new space-themed stamp collections

The U.S. Postal Service is looking to the cosmos for inspiration in its latest collections of stamps. The agency's lineup of stamps for the new year includes a collection commemorating the 50th anniversary of the original Star Trek series, a celebration of NASA's historic Pluto flyby mission last year, a lunar-themed set and stamps featuring all of the solar system's planets. See also: 5 sensational space moments that blew us away in 2015 NASA's New Horizons voyage to Pluto will be honored with ...