Bell's revolutionary X-plane rotorcraft has received the green light to progress to the building and testing of a demonstrator aircraft. DARPA has down-selected the craft to move to Phase 2 of the ...

DARPA has initiated an effort to build a new, stealthy spy plane. Unlike other aircraft, this X-plane will feature a hybrid electric propulsion system. The XRQ-73 will be much quieter than traditional ...

What the X-37B Really Does -America’s X-37B space plane looks like a scaled-down shuttle, but it has become one of the most consequential military programs of the post-Cold War era. -Born as a NASA ...

NASA has unveiled its latest X-plane, the X-66A, in collaboration with Boeing, as part of the agency's Sustainable Flight Demonstrator project. The US Air Force has designated this aircraft, which ...

The United States Space Force’s secretive X-37B space plane touched down to earth on Friday after spending 434 days in orbit conducting mysterious tests. The unmanned Boeing-made aircraft landed at ...

"This isn't just an airplane, this is an X-plane. It's the manifestation of a collaborative genius" When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

NASA's Sustainable Flight Demonstrator full-scale single-aisle research plane designed to explore net-zero aviation emissions and faster, more economical passenger flight near the speed of sound has ...