NASA's Perseverance rover just hit a major milestone in space

NASA's Perseverance rover and the Mars 2020 mission just nailed a huge milestone on its way to the Red Planet. The spacecraft has passed the halfway point on its route to Mars and is still on course for a landing in February 2021. The rover and its helicopter companion are healthy and doing well. NASA's Mars 2020 mission just barely got off the ground in time for its trip to Mars. The window to fire off a payload to the Red Planet was closing rapidly when NASA finally managed to send its Perseve...