How the Viking Mission Found Microbial Life on Mars (Part 1 of 5) - A video of Dr. Gilbert V. Levin discussing the Labeled Release experiment, from concept, to development, to deployment aboard the two Viking Landers that landed on Mars in 1976, and the LR results.

How the Viking Mission Found Microbial Life on Mars (Part 2 of 5)

How the Viking Mission Found Microbial Life on Mars (Part 3 of 5)

How the Viking Mission Found Microbial Life on Mars (Part 4 of 5)

How the Viking Mission Found Microbial Life on Mars (Part 5 of 5)

NASA finds proof of water on Mars

Phoenix End Of Summer on Mars

Phoenix Inspects Soil Samples

Phoenix - Sol 123 (2/4)

Phoenix - Sol 123 (4/4)

Why? Tell Me Why!: Methane on Mars

Traces of Martian life: About the search for life on Mars

Project Phobos-Grunt

Phobos-Grunt - Sample Return Mission

Flowing Water On Mars

Lecture: Mars Sample Return

NASA Genesis Crash

Viking: First U.S. Mars Landing

Vikings to Mars

Blue sky on Mars Sols 859 to 1037

A day on the Planet Mars : 1977 Viking footage

Life? On Mars?

Horizon: We Are the Aliens (Part 1 of 5)

Here is a light-hearted look at the first human mission to Mars for your viewing pleasure:

The first human mission to Mars and Sample Return movie (1958) (#1)