If you ever visit NASA’s Johnson Space Center and get to meet the Robonaut 2 prototype, be sure to shake the robot’s hand, since it can do that, and congratulate it. The actual Robonaut 2 (R2), the ...

Hundreds of people from at least 15 different countries have journeyed to the International Space Station (ISS), but the habitable artificial satellite has only hosted human astronauts, until the ...