NASA's Space Shuttle successfully reached orbit during its first attempt ... SpaceX has run into serious issues trying to get a prototype upper stage launched into orbit, then reenter the atmosphere ...

The U.S. military's classified mini space shuttle has returned to Earth after circling the world for 434 days.

I t never went into space, but a full-size original space shuttle design prototype built in 1972 as part of Rockwell International's ultimately successful bid to build NASA's shuttles made a ...

CAPE CANAVERAL, Fla. (AP) — The U.S. military’s classified mini space shuttle returned to Earth on Friday after circling the world for 434 days. The space plane blasted into orbit from NASA ...

The Space Development Agency will recompete a contract awarded last August to Tyvak to build 10 prototype satellites meant to inform future technology for the agency's constellation of data ...

CAPE CANAVERAL, Fla. (AP) — The U.S. military’s classified mini space shuttle returned to Earth on Friday after circling the world for 434 days. The space plane blasted into orbit from NASA ...

This photo provided by United States Space Force the X-37B Orbital Test Vehicle-7 (OTV-7), the U.S. Space Force’s dynamic unmanned spaceplane, successfully deorbited and landed at Vandenberg ...