LOUISVILLE, Colo.--(BUSINESS WIRE)--The photo has been updated. The release reads: SIERRA SPACE EXPANDS VORTEX® PRODUCT LINE WITH NEW 1,500 LBF HYPERGOLIC ENGINE VORTEX® VRM1500-H is a new addition to ...

LOUISVILLE, Colo.--(BUSINESS WIRE)--Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth ®, announced today the ...

All the Latest Game Footage and Images from Space Vortex Embark on an epic journey in Space Vortex! Hunt aliens, destroy their statues, collect black hole seeds, and access different space locations.

Sierra Space’s ambitions to develop an alternative upper stage capability for the U.S. Defense Department have taken another step forward with the award of a $16 million U.S. Air Force Research ...