During the past 10 years, Presidents George W. Bush and Obama have directed NASA to turn the job of transporting cargo and crew to the space station over to the private sector. As that process gathers pace, here is a list of the key players.
In 2017, NASA plans to test its Space Launch System, a rocket system designed for launches into deep space. But the US Government Accountability Office says the project is short on funding.
The US Air Force is seeking bids for commercial space launch services outside of its contract with United Launch Alliance.
The Orbital Sciences Cygnus capsule connected with the ISS on Wednesday. This mission includes delivery of food, experiments, and a fleet of Earth-imaging satellites.
The Federal Aviation Administration has approved a SpaceX launch site on privately owned property in Cameron County, Texas.
A Falcon 9 rocket lifted off from Cape Canaveral on Monday, carrying six telecom satellites, in a mission that is expected to test the rocket's reusability.
The Antares rocket launch Sunday could be visible from South Carolina to Massachusetts. When and where to look for this launch.
Bedeviled by a spate of technical problems, SpaceX will suspend launch attempts of its next Falcon 9 rocket until early July.
SpaceX rocket launch: A possible glitch with the Falcon 9 rocket postponed Sunday's satellite launch. The next launch opportunity is on Tuesday.
Elon Musk unveiled his Dragon V2 space taxi on Thursday. Musk's vision has brought us electric cars, cheap cargo transport to the International Space Station, and more.
The private spaceflight company SpaceX revealed its Dragon V2 spaceship, which can ferry up to seven astronauts into orbit.