TL;DR: It's difficult and expensive to repair satellites in space. So NASA is building semi-autonomous robots to service them in orbit. They also want to build stuff in orbit from scratch. When ...

The United States military's high-technology branch is hoping to test out on-orbit satellite servicing in orbit in the next five years. Satellites that sit in geostationary orbit, which is about ...

SSL has won a $20 million contract from DARPA to build two robotic arms that could help repair or inspect damaged satellites. Credit: SSL. SAN FRANCISCO — The U.S. Defense Research Projects Agency ...

After 20 years of trying, NASA still has not produced a method for in-orbit repair of damage to the reinforced carbon composite (RCC) wing leading-edge box on the space shuttle. The obvious solution ...