NASA rover finds major surprise on Mars — and scientists are excited

NASA has used a number of eyebrow-raising words to describe their new Martian find: "fascinating," "intriguing," "compelling," and "mind-bending."The space agency's Perseverance rover recently drilled into a Mars rock, where the six-wheeled robot had detected organic molecules (aka the "building blocks of life" as we know it). The robot collected a sample, and inside scientists spotted a telltale composition that suggests the potential of ancient microbial life. "The rock exhibits chemical signa