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Curated Video
Mars: Dead Planet
Scientists hoped the first mission to Mars would reveal life on the red planet. What did the mission find? Physics - Universe - Learning Points. Percival Lowell believed there were canals and cities on Mars. In 1965, NASA probe Mariner 4...
NASA
Nasa: "Nasa at 50" Series: 1976: Viking Landers Touch Down on Mars
Watch a brief video showing the Viking Landers touch down on Mars. [4:47] Learn how the Viking Landers were designed to work and how they lead the way to further Mars exploration. View the teacher's guide to get vocabulary definitions,...