This year , we saw the four surviving orbiters making Earthly journeys -- whether flown or towed -- to new homes at museums and similar attractions . The the Red Planet rover Curiosity landed on the surface of Mars in August . Scientists detected a particle whose properties match those of the elusive `` Titanic '' boson . A planet with Four suns was identified by citizen scientists . four retired space shuttles found new homes in 2013 .
The the Red Planet rover Curiosity landed on the surface of Mars in August . Scientists detected a particle whose properties match those of the elusive `` Titanic '' boson . A planet with Four suns was identified by citizen scientists . four retired space shuttles found new homes in 2013 .