Tag: existed

  • If Life on Mars Ever Existed, This Bizarre Rock May Tell Us

    If Life on Mars Ever Existed, This Bizarre Rock May Tell Us

    If Life on Mars Ever Existed, This Bizarre Rock May Tell Us The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not By Alexandra Witze & Nature magazine The black-ringed ‘leopard spots’ on a Martian rock might be evidence of chemical reactions that could have involved microorganisms. NASA’s…