It’s easy to craft a paper airplane capable of soaring across a classroom, but one that can travel 200 feet is a bit harder.

Stratolaunch is a unit of Allen’s privately held investment vehicle Vulcan Inc. The company has been developing a portfolio of launch vehicles that includes the world’s largest airplane by wingspan, ...

When, or if, the weird-looking Scaled Composites Stratolaunch takes off from Mojave, California, as expected in 2019, it will have smashed a record that's remained unbroken for 71 years. No flying ...

The aircraft was originally designed to carry a space shuttle and giant rocket boosters.

After years of development in the desert north of Los Angeles, a gigantic, six-engined megajet with the wingspan of an American football field flew Saturday morning for the first time. Stratolaunch ...