As the search for life on Mars continues – with promising potential biosignatures identified last year by NASA at the Bright ...

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

Fifty years ago, NASA’s Viking missions to Mars made groundbreaking attempts to detect life on the Red Planet. While the ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American We humans can now peer back into the virtual ...