Bothell, Wash.-based Portal Space Systems says it has raised $17.5 million in seed funding to accelerate the development of its Supernova space vehicle, which aims to harness the heat of the sun to ...

The move will allow Portal to eventually triple its workforce as it moves toward producing one spacecraft per month by 2027. EVERETT — Space start-up Portal Space Systems is building a ...

VIPs cut the ribbon at Portal Space Systems’ HQ in Bothell, Wash. From left: U.S. Rep. Suzan DelBene; Portal co-founders Prashaanth Ravindran, Jeff Thornburg and Ian Vorbach; and Bothell Mayor Mason ...

Portal Space System's Supernova uses sunlight to power a thermal propulsion system that can allow spacecraft to move rapidly between orbits. Credit: Portal Space Systems PARIS — Portal Space Systems ...

Portal Space Systems and local officials celebrated the opening of Portal's Bothell facility with a ribbon-cutting Monday. From left: U.S. Rep. Suzan DelBene, Portal co-founder Prashaanth Ravindran, ...

Portal Space System's Supernova uses sunlight to power a thermal propulsion system that can allow spacecraft to move rapidly between orbits. Credit: Portal Space Systems WASHINGTON — Portal Space ...

At first glance, the real estate portal landscape looks much like it did a year ago. The same power players, the same products, the same strategies — at least on the surface. “My initial snarky reply ...

EVERETT — Space start-up Portal Space Systems is building a 50,000-square-foot facility 2 miles from its current headquarters in Bothell, it was announced Tuesday. Washington State Department of ...