Stratolaunch says it will increase the pace of test flights of its Roc aircraft this year as it prepares for a first flight of a hypersonic vehicle before the end of the year. Credit: Stratolaunch ...

Add Yahoo as a preferred source to see more of our stories on Google. The world's biggest plane has just reached another milestone. Stratolaunch's carrier took a fully-fueled Talon-A hypersonic ...

COLORADO SPRINGS—Stratolaunch moved another step closer to the first flight of the Talon hypersonic test vehicle following a captive carry flight with live propellants over Southern California on Dec ...

Roc flew for more than three hours yesterday (June 16) and broke its own altitude record. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

COLORADO SPRINGS—Stratolaunch has begun taxi tests of the Roc carrier aircraft with a large underwing pylon that will be used to carry and launch the company’s Talon-A hypersonic test vehicle. The ...

The world's biggest plane broke another milestone after it flew with a fully-fueled hypersonic vehicle prototype for the first time. Stratolaunch's Roc took to the air on Saturday carrying its TA-1 ...