Network of support starts in seven North American cities
UCLA scientists create foldable, twistable OLED material
But censorship lift may be limited to Shanghai free-trade zone
NASA robotic vehicle studies Mars' 'complicated' history with water
Resupply mission reset for Saturday
Deep Impact's mission ends after communication is lost for more than a month
NASA's rover Curiosity hasn't found methane, a calling card of life, in the Martian atmosphere
Google branches out into healthcare, medical research with new company call Calico
European researchers say robot could help explore other planets
Orbital Sciences' Cygnus spacecraft set to dock with ISS on Sunday
