Could a hypersonic vehicle take flight this weekend in the deserts of Southeastern California? It appears Stratolaunch, an aerospace company based in Mojave about 100 miles north of Los Angeles, is ...

Add Yahoo as a preferred source to see more of our stories on Google. Stratolaunch, a California-based firm building a reusable hypersonic test vehicle, is modifying its carrier aircraft to support ...

Stratolaunch has finally found a use for the world’s largest airplane. Twice in the past five months, the company launched a hypersonic vehicle over the Pacific Ocean, accelerated it to more than five ...

The largest aircraft ever built, Paul Allen's Stratolaunch design, is moving into production and plans to take flight in 2016. If successful, it'll be capable of launching larger payloads into space ...

Google's Sergey Brin isn't the only billionaire taking up a lot of hangar space with an ambitious and massive aircraft construction project. For years, Microsoft co-founder Paul Allen has desired to ...

You know the Airbus A380 — maybe even the Antonov AN-225 (RIP). Now it’s time to say hello to the newest, biggest bird in the skies: the Stratolaunch Roc. The Roc made headlines with its longest test ...

Humans have a long history of spotting objects in the sky that they aren't able to identify. The first recorded UFO sighting in America dates all the way back to 1639, before the country itself was ...

LOS ANGELES — A giant six-engine aircraft with the world's longest wingspan completed what company officials called a superb initial flight over California's Mojave Desert, bringing to life a dream ...

Microsoft co-founder Paul Allen's massive new aircraft, the Stratolaunch, is complete and has rolled out of its hanger for first time. The Stratolaunch has been six years in the making; Allen ...