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Over $2 billion of venture capital has flowed into in-space mobility in recent years, every dollar into chemical or electric architectures with known physics ceilings. We make the case for a third propulsion class, solar-thermal, and for Portal as the company to bring the technology to production.
Maneuver Time by Propulsion Type

Apr 08, 2026

The Federal Communications Commission announced on April 8, 2026 that it will vote on April 30 to revise 1990s era power limits on satellite spectrum, a move that could increase capacity up to seve...

Apr 08, 2026

The U.S. Space Force posted notice on April 8, 2026 of an indefinite delivery, indefinite quantity contract valued at up to $1.8 billion over 10 years to 14 companies under the Andromeda program, w...

Apr 08, 2026

Firefly Aerospace (Nasdaq: FLY) announced a collaboration with NVIDIA on April 8, 2026 to embed an NVIDIA Jetson module on its Elytra orbital spacecraft for AI powered data processing in lunar orbi...

Apr 08, 2026

The Secure World Foundation published its 2026 Global Counterspace Capabilities Report on April 8, 2026, documenting counterspace capability development across 13 countries including the United Sta...

Apr 07, 2026

Intel announced it is joining Elon Musk's Terafab project alongside Tesla, SpaceX, and xAI. Terafab is a joint venture for a vertically integrated semiconductor facility in Austin, Texas, combining...

Apr 07, 2026

Starfish Space closed a Series B funding round exceeding $100 million on April 7, 2026, led by Point72 Ventures and co led by Activate Capital and Shield Capital, with participation from Industriou...

Apr 06, 2026

A violent Rapid Unscheduled Disassembly of a Starship component was captured on camera at SpaceX's Boca Chica facility. Starbase observer Zack Golden described it as among the most dramatic RUDs se...

Apr 06, 2026

Retired Lt. Gen. John Shaw, former Deputy Commander of U.S. Space Command, published an article in Forbes on April 6, 2026 arguing that the U.S. Space Force and U.S. Space Command will pivot toward...

Apr 04, 2026

ULA's Atlas V launched Amazon Leo 5 from Cape Canaveral, deploying 29 Kuiper satellites, the heaviest payload ever flown on an Atlas V. ULA has now delivered 139 Amazon Leo satellites total. Amazon...
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