The next Mars rover, Perseverance, just hours away from nail-biting touch down

Don't forget to tune in this afternoon, 3:55pm Eastern time, to see if NASA's Mars Perseverance rover can stick the landing.

After zipping hundreds of millions of miles through space, the Mars rover Perseverance is just hours away from attempting to land on the red planet in what has been described as one of the most daring robotic maneuvers in NASA's history.