Launch of a SpaceX Falcon 9 rocket carrying a space weather satellite inspired 17 years ago by Al Gore was grounded again Tuesday, this time by high upper level winds. SpaceX engineers were told to ...

Running a day late, an upgraded Orbital ATK Antares rocket climbed away from the coast of Virginia early Sunday, lifting a Cygnus cargo ship into orbit for a two-day trip to the International Space ...

Update for March 23: The launch of Orbital ATK's next cargo ship bound for the International Space Station has been delayed yet again, this time by a different hydraulic issue on the spacecraft's ...