Did Viking 1 find evidence of life on Mars? Fifty years after the NASA lander touched down, the jury is still out.

The findings could completely change which planets are seen as potential hosts for life.

British scientists have made a major breakthrough in the search for life on Mars, discovering evidence that rivers of molten ...

Half a century after the first successful Mars landing, Viking's greatest legacy may be the questions it taught us to ask.

Half a century after NASA first placed working hardware on Mars, the agency is preparing to explore not only the planet’s surface, but its skies. The story began on July 20, 1976, when Viking 1 ...

The hunt for ancient life on Mars just got an important test run. Scientists confirmed that the Rosalind Franklin rover's ...

Add Yahoo as a preferred source to see more of our stories on Google. AUSTIN (KXAN) — The discovery of life on Mars is a tad closer than ever before. This month, NASA announced the discovery of signs ...

Louis Friedman is co-founder and former executive director of the Planetary Society. The three big questions about life — What is life? How did life originate? Is there extraterrestrial life? (Are we ...

NASA’s Perseverance Mars rover took this selfie on July 23, 2024, the 1,218th Martian day, or sol, of the mission. To the left of the rover near the center of the image is the arrowhead-shaped rock ...

Nearly half a century after NASA’s Viking landers touched Mars, one question shadows their experiments: Did they miss life, or did they destroy it while trying to prove it was there? Dirk ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the surface of rocks that resemble traces of microbial activity ...