Scientists are narrowing down explanations for a potential chemical sign of ancient life on Mars. This sign – marks found on Martian rocks last year – could have been caused by microbes or by ...

It also confirms that potential evidence of life can survive on Mars for billions of years—long enough for scientists to discover it. “Our study proves that, even today, by analyzing Mars ...

The findings, detailed in a new paper published in the journal Proceedings of the National Academy of Sciences, offer the "clearest evidence yet" that Mars once contained huge bodies of water ...

if it ever existed on Mars,” Freissinet, who also served as the latest study’s lead author, said in a statement. “There is evidence that liquid water existed in Gale Crater for millions of ...

(CNN) -- Streams of ice rather than heavy flooding could have shaped long channels that riddle the surface of Mars, according to a new NASA-funded report. Certain channels on the red planet bear a ...

NASA's Perseverance rover, which has been exploring Mars since 2021, fired its laser at some oddly pale rocks on the surface of the Red Planet—and found evidence that Mars may have once been ...

if it ever existed on Mars,” explained lead researcher Caroline Freissinet of the French National Centre for Scientific Research. Curiosity has also found evidence that liquid water was once ...