NASA’s long-promised space plane is finally on the cusp of leaving the runway behind and heading for orbit, a decade after the agency first backed the concept. The lifting-body vehicle known as Dream ...

Sierra Space had been looking to join SpaceX and Northrop Grumman as one of three commercial resupply partners for NASA aiming to fly its Dream Chaser spacecraft to the International Space Station.

When will Sierra Space’s winged vehicle, Dream Chaser, finally take flight? Unfortunately, it’s still not clear. Almost certainly, however, it won’t be this year. The Dream Chaser space plane has been ...