Several commercial providers now offer dedicated platforms for microgravity research outside of traditional government programmes. These include suborbital vehicles capable of carrying payloads for short-duration microgravity experiments, as well as privately operated modules and future orbital platforms that will host science and technology demonstrations. Such services allow researchers from emerging nations to access space-based experimentation without the need to develop their own launch systems or space stations.
By engaging with these providers, nations can sponsor university experiments, test new materials and biomedical technologies, or conduct educational projects, while building local expertise in preparing and managing spaceflight payloads. These commercial opportunities can complement participation in government-led facilities (e.g., ISS, drop towers, parabolic flights) and provide a stepping-stone toward long-term national capabilities in space science and exploration. Non-exhaustive list is provided below.
1. Suborbital Vehicles (rockets, commercial flights)
• Blue Origin – New Shepard (US) – suborbital rocket providing several minutes of microgravity for science payloads.
• UP Aerospace (US) – suborbital sounding rocket service for student and commercial payloads.
• ISRO Sounding Rockets (India) – suborbital launches supporting atmospheric and microgravity research.
• JAXA S-520 & SS-520 (Japan) – sounding rockets for student and research payloads.
2. Parabolic Flights (aircraft-based microgravity)
• Zero-G (US) – Boeing 727 “G-FORCE ONE” flights offering short-duration microgravity for research, training, and education.
• Air Zero G / Novespace (France) – Airbus A310 platform providing parabolic research flights.
• Glavkosmos / Roscosmos (Russia) – parabolic flight services using Russian aircraft for research and training.
3. Drop Towers & Ground-Based Facilities
• ZARM Drop Tower (Germany) – up to 9.3 seconds of weightlessness for physics and engineering research.
• NASA Glenn Drop Tower (US) – 2.2-second drop tower for small experiments.
4. Orbital & ISS-Based Platforms
• ICE Cubes (Europe) – modular experiment cubes onboard the ISS for commercial and institutional users.
• Nanoracks (US, open to international users) – ISS payload integration, CubeSat deployments, and in-orbit experiment hosting.
• JAXA Kibo Module (Japan, via Kibo-ABC) – opportunities for Asia-Pacific nations to conduct experiments on the ISS.
• CASIS (US) – ISS National Laboratory managing experiments for research and applications.
5. Commercial Stations (future orbital research platforms)
• Axiom Space (US) – developing commercial space station modules with microgravity research capacity.
• Voyager Space (US) – leading Starlab, a planned commercial station for research and technology demonstration.
• VAST Space (US) – planning commercial space stations designed for human-tended research and experiments.
Other international initiatives – several consortia are planning orbital commercial research stations to succeed the ISS.
6. Education & Training Programmes (multi-platform access)
• ESA Education Office – Fly Your Thesis!, Drop Your Thesis!, Orbit Your Thesis! initiatives with partner institutions.
• APRSAF Kibo-ABC (Asia-Pacific) – JAXA-led programme enabling student and researcher access to ISS Kibo module.
• UNOOSA / China – partnership offering developing nations opportunities to fly payloads on China’s Tiangong space station.
Prerequisites:
• Access to technical expertise in microgravity experiment design
• International partnerships with agencies or commercial providers
• Procurement pathway
• Partner support as needed
Cost:
• Ballpark: USD 10k–20k (clinostats / desktop simulators), USD 50k–200k (drop tower experiments, e.g., ZARM Bremen), USD 100k–500k (zero-g parabolic flights, e.g., Novespace, Zero-G Corp), USD 0.5M–2M (suborbital flights, e.g., Blue Origin New Shepard, Virgin Galactic research payloads), USD 1M–10M (ISS access via NASA, ESA, JAXA, ISS National Lab)
• Includes: experiment design and preparation, integration and safety reviews, hardware procurement or adaptation, launch or facility access fees, data collection and analysis, researcher training and travel
Timeframe:
• Overall: 6–36 mo (depending on platform)
• Phase: experiment design & review (3–6 mo), integration & preparation (3–12 mo), execution of experiment (days to weeks for drop tower/flight; months for ISS), data analysis & reporting (3–12 mo)
Pros:
• Innovation Enablement – Expands research opportunities through increased use of microgravity platforms, fostering scientific and technological innovation.
• Cost Sharing – Reduces the financial burden of space research through collaboration with commercial initiatives and shared investment models.
Considerations:
• IP and Data Governance Complexity – Involves negotiating intellectual property rights, data access, and ownership agreements, which can be legally intricate and time-consuming across different platforms and partners.