NASA's Mars 2020 mission has arrived and landed the Perseverance Rover on the red planet. The rover's goal is to collect rock and soil samples to be brought back to Earth in the future.
The groundbreaking Xenobots were created by a team from Tufts University and the University of Vermont.
Douglas Blackiston, Tufts University
Xenobots have been called the world's first "living robots". They are made entirely of living tissue, and can be programmed to move towards a certain object.