
Startup satellite developer Portal Space Systems on Thursday said it raised $17.5 million in an oversubscribed seed round that will support the full-scale demonstration of its Supernova multi-role, transorbital spacecraft expected to launch in 2026. The funding raise builds on an undisclosed pre-seed round when Portal was created in November 2021, and $5.5 million in various Small Business Innovation Research Contracts awarded by the Space Force, including for tactically responsive space. The Seattle-based company emerged from stealth a year ago.…