Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Back in 1976, the dual NASA ...

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

Viking 1 kicked off the search for Martian life 50 years ago. Now NASA’s shifting priorities are putting the quest in limbo.

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 ...

As the search for life on Mars continues – with promising potential biosignatures identified last year by NASA at the Bright Angel formation – there are a few scientists out there who think we may ...

The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008. When you purchase through links on our site, we may earn an affiliate commission.

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 ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...

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