- By Flipboard Science
The space around Earth has become congested with space stations, satellites, spacecrafts and debris. It's the last one that has scientists perhaps the most worried as it poses a danger to astronauts and to the inhabitants on the planet below. The Chinese rocket that fell uncontrollably earlier this month is one example of the dangers created by so-called space junk. Learn more about this problem and what's being done to try and clean up outer space.