Relativity Space will build and deliver its own spacecraft, with NASA supplying only the instruments.

How would our world be viewed by observers moving faster than light in a vacuum? Such a picture would be clearly different from what we encounter every day. "We should expect to see not only phenomena ...

Nasa has selected Relativity Space to build and launch the Aeolus Mars orbiter, giving the Eric Schmidt-backed startup a chance to reach the Red Planet before Elon Musk’s SpaceX.