The Caribou native is part of a team working to repair a wrist joint on the station's massive robotic arm.

NASA astronauts on the space station are preparing for a spacewalk to repair a robotic arm as safety advisers raise concerns ...

Chris Williams and Jessica Meir replaced a faulty wrist joint on the International Space Station's robotic arm during a complex mission carried out while the orbiting laboratory travelled around Earth ...

One year after Gemini IV astronaut Edward H. White completed NASA's first spacewalk the agency prepared for a demanding second excursion. Originally scheduled for Gemini VIII, the extravehicular ...

NASA astronauts Chris Williams and Jessica Meir will exit the ISS Quest airlock at 8:35 a.m. ET Monday to replace a wrist ...