Cosmic clean up: addressing the space debris problem

The growing amount of man-made junk orbiting the Earth is prompting calls for a cosmic clean up. Jon Excell reports It’s supposed to be a tranquil place; a peaceful vantage point on a troubled world. But these days the astronauts aboard the International Space Station (ISS) spend as much time looking nervously over their shoulders … Continue reading Cosmic clean up: addressing the space debris problem