Scientists have recently uncovered portal-like structures in space that could revolutionize our understanding of the universe. These findings, rooted in advanced astronomical observations and ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...

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 ...

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 ...

Momentus and Portal Space Systems join forces to propel next-generation flight computing demonstration on SpaceX Transporter Mission in Early 2026 SAN JOSE, Calif., May 28, 2025--(BUSINESS ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...

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 ...

Katie Mack is a theoretical astrophysicist, assistant professor of physics at North Carolina State University and the author of The End of Everything (Astrophysically Speaking). “I’ve been trying to ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

Whether space-time exists should be neither controversial nor even conceptually challenging, given the definitions of "space-time," "events" and "instants." The idea that space-time exists is no more ...

BOTHELL, Wash. — From the outside, Portal Space Systems’ headquarters looks like a standard-issue office space in a Bothell ...