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 missions initially returned negative results, a new study published in the ...

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 ...

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