The world's largest aircraft by wingspan completed a successful first flight over California's Mojave Desert on Saturday. The gigantic, six-engine aircraft known as Stratolaunch has a 385-foot ...

The plane took off at 6:58 a.m. and flew for 2½ hours, reaching a top speed of 189 miles per hour and a maximum altitude of 17,000 feet, Stratolaunch Systems Corp. said.

Roc is bigger than the Spruce Goose. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This story was updated at 2:40 p.m. EST with details ...

The Stratolaunch, as the plane is called, is designed to carry rockets to an altitude of 35,000 feet, at which time they would ignite and launch into orbit, according to The Verge. The rockets ...

At 385 feet, its wingspan is longer than a football field. And now the giant Stratolaunch — the largest plane ever built and Microsoft co-founder Paul Allen’s project to lift rockets into the ...

This view of Stratolaunch Systems’ hangar at Mojave Air and Space Port in California shows the massive airplane’s left-side fuselage and scaffolding. At least six people are in the picture.

Private companies like Stratolaunch are developing tech to regain the edge in the hypersonic arms race with innovations like the Talon-A reusable vehicle.

Nearly a year after it first emerged, the Stratolaunch, the largest plane ever built, is getting ready for its first flight later this year. The aircraft, which weighs approximately 500,000 pounds ...

An aerial view shows the Stratolaunch airplane outside its hangar in May 2017. The twin-fuselage aircraft is the world’s largest airplane, measured by wingspan. (Stratolaunch Photo) Microsoft co ...

The world's biggest airplane just notched another huge milestone. Stratolaunch's Roc carrier plane aced its first-ever drop test on Saturday (May 13), successfully releasing a prototype of the ...

Billionaire Paul Allen's Stratolaunch, a massive aircraft designed to launch rockets into space from high altitude, has been rolled out of its hangar for the first time in preparation for testing.

High-altitude launch startup Stratolaunch has gone through some changes, but on Monday, it revealed design details of two hypersonic aircraft, along with a space plane, all designed to take-off ...