Add Yahoo as a preferred source to see more of our stories on Google. NASA's Viking landers were the first spacecraft to successfully touch down on the surface of Mars. NASA/JPL-Caltech via AP Finding ...

Could NASA’s Viking missions have wiped out life on Mars before we even knew it existed? According to an expert at Daily Galaxy, startling theory suggests that our search for Martian life may have ...

The idea of Mars being host to extraterrestrial life, either currently or long ago in the past, has beguiled scientists for centuries. The discovery of frozen water on the Red Planet gave scientists ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Two Viking Landers reached Mars in ...

In 1975, NASA's Viking 1 spacecraft entered orbit around Mars, carrying a mission to unlock the secrets of the Red Planet. Soon, it released twin landers that drifted toward the Martian surface and ...

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Viking 1 and 2 were the first US spacecraft to successfully land on Mars. The two landers were equipped to complete Viking’s core mission: search for life on Mars. The landers were essentially ...

Joan McDonald and Kara Campbell share the details about this winter art exhibit and why you should get involved. Pam Barnes, Michal Thornton and Michelle Mattson tell us what it means to be a ...

Finding life beyond Earth would be a major scientific discovery with significant implications for all areas of science and human thought. Yet, only one direct search for extraterrestrial life has ever ...