The vacuum of space around Earth is not as desolate as you might think. Around 500,000 pieces of human-made debris orbit our planet every second, reaching speeds of up to 17,500 miles per hour.
This debris is a threat to satellites, space vehicles like the ISS and astronauts – and the problem is only likely to worsen as we continue to explore our galactic neighbourhood. Yet clearing this space junk is one the most difficult challenges facing astrophysicists.
Now, with inspiration from an incredible lizard, a robot has been designed to tackle this very problem.
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Abigail Beall 