Everything you want to know about space junk
Check out this satellite that can clean up space rubbish from Earth's orbit
It's not just here on planet earth that litter is a problem. So experts have fired a huge net into space as part of a plan to clean up the millions of pieces of rubbish floating around in the Earth's orbit.
It was a fired by a satellite called RemoveDEBRIS which will also try to use a harpoon - which is like a huge spear - to grab space junk.
Pictures from BBC/NASA/ESA/Oleg Artemyev/ISS