Perseverance - all you need to know

Later today, at approximately 20:55 GMT, NASA's Mars 2020 rover Perseverance will hopefully touch down on the surface of the red planet and begin to search for signs of life in the Jezero crater, once a water lake on ancient Mars. Listen to find out about the most exciting endeavour to Mars in human history in our first ever grouped podcast.
How to watch - NASA YouTube livestream, coverage starts 19:15 GMT, landing predicted at 20:55
To find out more go to nasa.gov/perseverance