canadarm2 robotic arm

Astronaut flexes his muscles mid-spacewalk | Space photo of the day for July 7, 2026

By Chelsea Gohd Published 7 July 26

NASA astronaut Chris Williams recently flexed his muscles for a photo while on a spacewalk with fellow astronaut Jessica Meir.

‘Just in time for Canada Day’: Spacewalking astronauts repair space station’s huge Canadarm2

By Robert Z. Pearlman Published 30 June 26

Expedition 74 flight engineers Chris Williams and Jessica Meir conducted a seven-hour spacewalk to replace a wrist joint on the International Space Station's Canadarm2 robot arm on June 30, 2026.

The critical robot arm on the ISS isn't working properly, but NASA has a plan to fix it

By Elizabeth Howell Published 12 June 26

A part of Canadarm2 robotic arm on the ISS broke in May, requiring repairs by spacewalking astronauts no earlier than June 30. A spare is already on the station.

Northrop Grumman Cygnus cargo craft arrives at space station

By Robert Z. Pearlman Published 13 April 26

The uncrewed Northrop Grumman Cygnus XL spacecraft, the S.S. Steven R. Nagel, arrived at the International Space Station on Monday (April 13), bringing with it about 11,000 pounds of supplies.

ISS astronauts show what it's like to capture a spacecraft with a robotic arm (video)

By Elizabeth Howell Published 16 February 24

Canadarm2 berthed a Cygnus cargo spacecraft on the International Space Station on Feb. 1. This is what it looked like, in space and from the orbiting complex.