Aptly named spacecraft might never make it to the orbital outpost after all NASA and Sierra Space have modified the ...

Sierra Space and NASA have sharply revised a contract to use the company’s Dream Chaser vehicle to deliver cargo to the ...

NASA has modified its ISS resupply contract with Sierra Space, which builds the robotic Dream Chaser space plane.

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

NASA officials on Tuesday said the agency's first crewed flight in its Artemis program - a trip around the moon and back - is ...