Space junk — debris from defunct satellites and other man-made items — is a growing problem. Wooden satellites, an idea spearheaded by astronaut and professor Takao Doi of Kyoto University, may be the solution.
Report by the NRC suggests it's time to take space junk seriously.
Three astronauts on board the International Space Station had a bit of a scare when space debris whizzed by the space station. The Takeaway talks with Ben Baseley-Walker, a legal and policy consultant at the Secure World Foundation.