Japan sent a cargo ship to the International Space Station that has a "space junk" collector made in conjunction with a fishnet company, and it just docked.
While starting a fire in space may not seem like a recommendable course of action, it's precisely what NASA is planning on doing with its Cygnus spacecraft.
The next new member of the United Nations might one day be the first line of defense against threats like asteroids and coronal mass ejections from the sun.