Space UK astronomers team up to search for alien intelligence Xeni Jardin

Space Space Shuttle Atlantis exhibit at Kennedy Space Center: photos from opening night Sawyer Rosenstein

Space Vintage futures: Next Stop Mars, 1952 Xeni Jardin

Space Tumblog of Greatness: F*ck Yeah, Female Astronauts Xeni Jardin

happy mutants Hemispherical Earth cake with crust, mantle and core Cory Doctorow

Science Life of astronaut Sally Ride honored in Kennedy Center tribute Xeni Jardin

Science The Red Rose of Saturn Xeni Jardin

astronomy How far away from Earth is Mars? Mark Frauenfelder

Space Space probe Voyager 1 reaches outer edges of solar system Xeni Jardin

Science World's largest space telescope now under construction in Utah Xeni Jardin

Science NASA: in Martian soil, Mars rover finds conditions once suited for ancient life Xeni Jardin

Science What exploded over Russia? Space researchers explore, with infrasound sensors Xeni Jardin

photography Alan Friedman takes mind-blowing photos of the sun from home Mark Frauenfelder

Science Astronaut Chris Hadfield's otherworldly Earth landscapes, from space Xeni Jardin

astronomy 50-meter asteroid will come within 17,000 miles of Earth on 2/15/2013 Mark Frauenfelder

family The 'Comet of the Century' … and other night-sky highlights for 2013 Mark Frauenfelder

Science Is our solar system missing a planet? Maggie Koerth