solar thermal propulsion
Portal Space Systems Raises $50M Series A, Hits $250M Valuation
Portal Space Systems has raised a $50 million Series A round, valuing the company at $250 million. The startup is developing maneuverable spacecraft designed to operate more dynamically in orbit,…
Portal Becomes First to Test 3D Printed Solar Thermal Thruster for Multi-Orbit Spacecraft
In the race to build the future of spaceflight, first milestones have big meaning. For Portal Space Systems, a young spacecraft company based in Washington, that milestone arrived this September…
