Robot grippers could be used to remove space debris
by Monika Luabeya, NASA
Blue tentacle-like arms attached to an Astrobee free-flying robot grab onto a "capture cube" in this image from Feb. 4, 2025. The experimental grippers demonstrated autonomous detection and capture techniques that may be used to remove space debris and service satellites in low Earth orbit.
The Astrobee system was designed and built at NASA's Ames Research Center in Silicon Valley for use inside the International Space Station. The system consists of three cube-shaped robots (named Bumble, Honey, and Queen), software, and a docking station used for recharging.
The robots use electric fans as a propulsion system that allows them to fly freely through the microgravity environment of the station. Cameras and sensors help them to "see" and navigate their surroundings. The robots also carry a perching arm that allows them to grasp station handrails to conserve energy or to grab and hold items.
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