Six years after Microsoft co-founder Paul Allen started up Stratolaunch Systems, the billionaire’s air-launch venture brought its humongous twin-fuselage airplane out in the open for the first time ...

This photo shows the space plane will be designed to have an orbital mission range of 1,300 nautical miles. Side view of the Stratolaunch Systems plane. The company prides itself on being able to get ...

It didn’t take long for SpaceX to become a leader in commercial spaceflight. The company’s reusable rocket technology makes it possible for the company to offer its services at a lower cost and with a ...

The world's biggest airplane designed to carry air-launch-to-orbit rockets and hypersonic vehicles just completed its longest test flight to date. The Stratolaunch Roc, developed by Microsoft ...

Orbital ATK, Inc. and Stratolaunch Systems today announced a multi-year production-based partnership that will offer significant cost advantages to air-launch customers Stratolaunch Systems, in ...

The world's largest plane by wingspan took its first flight on Saturday above the Mojave Desert in California. With a wingspan wider than the length of an American football field, the plane features ...

The world's largest airplane may be grounded after just one flight. Stratolaunch Systems Corp., which built a huge rocket-toting aircraft named Roc to launch satellites (and eventually people) into ...

The Stratolaunch aircraft took off from Mojave Air and Space Port two years after its maiden flight. The Stratolaunch six-engine jet, the aircraft with the world’s largest wingspan, has just launched ...

Paul Allen's space company, Stratolaunch Systems Corporation, is reportedly closing down its operations. According to Reuters, the company is shutting up shop, but it's also exploring the possibility ...

An odd-looking, double-bodied airplane with a wingspan as long as a football field just took to the skies today (April 13) from the Mojave Air & Space Port in California. This was the first flight for ...