NASA has announced significant modifications to its contract with Sierra Space for the Dream Chaser spacecraft, effectively scrapping guaranteed resupply missions to the International Space Station ...

A fifth-generation Freightliner Cascadia tows Sierra Space’s Dream Chaser spaceplane on a runway at Kennedy Space Center as part of high-speed landing-sequence validation testing. Freightliner Trucks, ...

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 ...

The Dream Chaser, the long-awaited reusable spaceplane inspired by the Space Shuttle, could be chasing its own dreams for a little while longer. NASA announced on Thursday that it significantly ...

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.

The private Dream Chaser space plane took to the skies Tuesday (May 29), kicking off a flight-test program that will vet the vehicle's ability to carry astronauts to and from low-Earth orbit. The ...

Sierra Nevada Corp. will attempt the first free flight of its Dream Chaser commercial-crew spacecraft this summer, including an autonomous approach and landing at Edwards AFB, Calif., following this ...