SpaceX Dragon cargo freighter berthed to the International Space Station during recently concluded SpaceX-3 mission in May 2014. An upgraded, manrated version will carry US astronauts to space in the next two to three years. Credit: NASA Story updated[/caption] SpaceX CEO, founder and chief designer Elon Musk is set to unveil the manned version of … Continue reading "SpaceX CEO Elon Musk to Unveil Manned Dragon ‘Space Taxi’ on May 29"