Aerojet, a GenCorp (NYSE: GY) company, and Orbital Sciences Corporation (NYSE: ORB), along with Aerojet’s Russian partner, SNTK, announced today that a series of NK-33 rocket engine tests conducted in ...

Orbital Sciences Corp. will launch its next cargo delivery mission to the international space station no earlier than June 17 as the company and its main propulsion supplier investigate why an engine ...

Seeking to shore up its launch capabilities for military space missions and end reliance on a Russian-made rocket engine, the Air Force has awarded contracts to Orbital ATK and SpaceX to develop ...

SpaceX’s giant rocket to Mars and beyond could take its first orbital flight sometime within the next year — but questions around where it will fly from caused delays in the company’s planning ...

SpaceX has successfully completed a static fire test of its first orbital-class Starship spacecraft prototype, with all six engines attached. The massive stainless steel-clad tower lit up in dramatic ...

Just more than a week after its Antares rocket shortly after liftoff on a mission to the International Space Station, Orbital Sciences Corporation has promised to keep cargo flying. The company said ...

SACRAMENTO, Calif., March 15, 2010 – Aerojet, a GenCorp (NYSE: GY) company, and Orbital Sciences Corporation (NYSE: ORB), along with Aerojet’s Russian partner, SNTK, announced today that a series of ...