Robonaut 2

The robot and the research

Robonaut 2 is most interesting when you look at its hands. The NASA and General Motors project was designed to investigate tasks people perform with tools and equipment, including work in space. Known as R2, it reached the International Space Station in 2011. It is a research platform with a flight history, not a household robot with an order page.¹Inferred

How R2 reached the station

Work on the original Robonaut began in 1997. A 2007 agreement brought NASA and General Motors together on the next generation. R2 launched aboard Discovery on February 24, 2011, as part of mission STS-133. That chronology matters: Robonaut is the broader project, while Robonaut 2 identifies the later hardware covered here.¹

R2 first operated as a head, torso and arms on a fixed support. A mobility upgrade added climbing legs in 2014 for moving around inside the station. Those are different configurations, so a photograph of the torso-only machine should not be mistaken for the later complete assembly.¹

What the experiment taught

NASA's retrospective places R2 aboard the station from 2011 to 2018. It also explains that the hoped-for role of a robot working outside the station under an astronaut's control was not achieved. That is a specific unfinished objective, not a reason to erase the manipulation research or describe the project as an operational spacewalking service.²¹

Robonaut's legacy remains part of NASA's current work. In September 2026, Johnson's Dexterous Robotics Team described how experience from R2 and Valkyrie informs its research. R2's completed station residency should therefore be understood as part of a continuing engineering history, rather than evidence that the robot is still in orbit.³²

Reading a demonstration

For a family watching R2 handle an object, the useful questions are concrete: was the object placed for the robot, who selected the next action, and what happened when the grasp failed? A hand performing one operation is an important piece of robotics, but it does not answer how a machine would cope with a cluttered room or unfamiliar belongings.¹

NASA presents R2 as a research platform, without an established household purchase or ownership package. Treat it as a way to understand dexterity and human-robot cooperation. Valkyrie offers a related view of whole-body research. NASA’s government research role differs from the role of a consumer robot supplier.¹³⁴Inferred

NASA’s role

NASA is a United States civilian government research and exploration organization. Its dexterous-robotics work investigates manipulation for human spaceflight. That context describes these research programs; it does not establish a household sale or make NASA a privately owned or publicly traded robot company.⁴³

Explore further

• Humanoid robots
• NASA Valkyrie (R5)
• General Motors, R2 co-developer