ADVERTISEMENT

The Search for Life on Mars

The Viking landers have completed their biological experiments. The experiments did not detect life processes, but they did reveal much of interest about the chemistry of the surface of the planet

THIS ARTICLE IS ONLY AVAILABLE AS A PDF.
or subscribe to access the full article.
Buy Digital Issue $7.99
Print + Digital
All Access
$99.99 Subscribe
Share this Article:

Comments

You must sign in or register as a ScientificAmerican.com member to submit a comment.

Back to School Sale!

One year just $19.99

Order now >

X

Email this Article

X