Icarus Robotics has flown JOY, the free-flying robot it is sending to the International Space Station, on four parabolic flights from September 9 to 11 — the first time the hardware has operated in true microgravity. JOY carries two high-dexterity robotic manipulators and is built to move through a station's pressurized interior and handle cargo and logistics work that consumes astronaut time. It is scheduled to reach the ISS in 2027 as JOYRIDE-1 under a mission management agreement with Voyager Technologies announced in March.
Key takeaways
- Parabolic flight is the only way to produce real microgravity without going to orbit, yielding roughly 20 seconds of weightlessness per parabola; JOY is set to fly 80 parabolas across the four flights.
- The campaign is the last major test before Icarus finalizes JOY's flight hardware for handover to NASA in January.
- JOY has over 20 degrees of freedom; without gravity, dynamic coupling is exaggerated and even the smallest force matters, according to CTO Jamie Palmer.
- Icarus says JOY is the most computationally powerful free-flying robot ever to reach the ISS, running its intelligence entirely on the edge.
- The work targets a labor gap: NASA counted just 37 active astronauts as of February 2026, while tons of cargo reach the ISS every few weeks and must be unpacked and stowed by hand.
Icarus, founded in 2024, takes a human-in-the-loop approach: Earth-based operators fly the robot, the system learns from those demonstrations, and autonomy arrives as data supports it, with embodied AI as the long-term aim. The campaign is in Canada because the only US-based parabolic flight operator is currently suspended.
Source: Robotics & Automation News · Published 2026-09-18T20:42:15 · “Icarus Robotics to fly ISS-bound robot in true microgravity for the first time”