As China’s space lab hurtles to Earth, just how bad is our space junk problem?

China’s defunct space station Tiangong-1 is expected to hit Earth in the next few hours. What are we doing, asks astrophysicist Brad E Tuckeer, to deal with the junk already in space and prevent more? Tiangong-1 is just one of many pieces of space junk left orbiting our Earth. The United Nations Office for Outer Space Affairs (UNOOSA) … Read more