NASA's Perseverance rover nears touchdown on Mars this week after a 300 million mile journey

NASA's Mars Perseverance rover is on the cusp of landing on the red planet after a 300 million-mile journey. Here's what happens next.       

NASA's Perseverance rover nears touchdown on Mars this week after a 300 million mile journey

NASA's Mars Perseverance rover is on the cusp of landing on the red planet after a 300 million-mile journey. Here's what happens next.