SpaceX opens Starfall for business, selling microgravity rides on Starship

SpaceX has quietly pulled the curtain back on Starfall. A new commercial page at spacex.com/starfall lays out exactly what a customer buys when they book the disk-shaped reentry capsule, pitching affordable, routine access to microgravity for manufacturing, research and testing payloads, with an open invitation for companies to reach out.

The specs are tight. Every Starfall mission hauls up to 1,000 kg, supplies 1 kW of power and talks to the ground through an Ethernet interface. Flight length is tailored to the buyer, and Starlink keeps the payload connected for the whole trip, so researchers can pull live data off an experiment in orbit rather than waiting for it to splash down.

SpaceX is chasing three markets. Biomedical teams are told they can grow stem cell organoids, replacement tissue and layered biomaterials. Pharma companies get protein and small molecule drug crystals, which form smaller, more uniform shapes without gravity-driven convection. Materials science fills out the list with semiconductors and other next-generation materials grown in vacuum and microgravity. No price and no first operational flight date are listed.

The company is betting the whole thing on Starship. According to the page, launching on Starship gives Starfall a reliable and scalable cadence the market has never had, trading drop towers and parabolic flights, which buy seconds of microgravity, for weeks on end. That's a loud debut for a program SpaceX barely mentioned before its June first flight, when nearly everything known came from FAA and FCC filings: a disk about 10.2 feet wide and 2.5 feet tall that can bring home 2,200 pounds of cargo. By its second flight, on October's Bandwagon-5 rideshare, Starfall at least had a name on the mission page. SpaceX still didn't say what was inside.

Customers appear to be circling. In its third quarter results, SpaceX said it signed three commercial Starfall missions, all slated for Starship. On the earnings call, President Gwynne Shotwell framed the capsule as delivering routine, relatively low cost access to microgravity for scientific research, including work that could improve understanding of diseases like cancer and diabetes.

The push goes beyond a webpage. SpaceX added a Starfall T-shirt to its online store on Monday amid a batch of new merch, seating the program alongside Starship, Starlink and Starshield. It also puts SpaceX squarely against a company it flies: Varda Space Industries, whose W-Series 7 capsule shared the Bandwagon-5 ride with Starfall in October. Varda's capsules run roughly three times smaller, and SpaceX owns the ride to orbit for both. How fast Starfall actually flies now rides on Starship, with SpaceX prepping Flight 15 after static fires of Ship 42 and its Super Heavy booster in late October and aiming to catch both stages at the tower.