Get the latest Science News and Discoveries
50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions’ findings are still discussed today | The measurements made during the Viking biology experiments have been the subject of many analyses and speculation as to whether they detected living micro-organisms on Mars
The Viking missions paved the way for future Mars missions and helped researchers understand the red planet’s climate and geology.
None
Or read this on r/Space