"Viking more likely than not found autotrophic microbial life on Mars, roughly 1,000 cells per gram."
When you buy through links on our articles, Future and its syndication partners may earn a commission.
NASA's Viking 2 on the surface of Mars. | Credit: NASA
In looking back and commemorating the 5… [+9633 chars]
Discussion (0)
No comments yet. Be the first to share your thoughts!
Join the Conversation
You need to be logged in to leave a comment.
Sign In Create Account