Video: Two American companies reach space milestones
Sunday, September 29, 2013 - 18:30
in Astronomy & Space
SpaceX and Orbital Sciences Corporation are two American companies who've reached a milestone for space exploration. SpaceX launched a test flight rocket that it hopes to transport astronauts to space with. Orbital Sciences Corporation successfully docked its first-ever cargo ship, Cygnus, to the International Space Station. Jeff Glor reports.