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The 57.7-foot-long Canadarm2 robotic arm extends from the International Space Station. The arm is long, cylindrical, and white, with several joints that are bent to the right (at left in the image) and downward (at center). Earth makes a bright white and blue background for the top half of the photo. Our home planet contrasts starkly with the darkness of space.

A Robotic Helping Hand

The 57.7-foot-long Canadarm2 robotic arm extends from a data grapple fixture on the International Space Station’s Harmony module in this July 23, 2025, image.

Image Credit: NASA/Jonny Kim

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