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 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…