Mars rover spots strange rock that’s got NASA ‘excited’

Mars rover spots strange rock that’s got NASA ‘excited’

On Mars, some 120 million miles away in space right now, anything that isn’t another version of dusty red stands out like a sore thumb.  That’s how the Perseverance rover, a lab on wheels about the size of a Mini Cooper, spotted an unusual rock with black and white zebra stripes two weeks ago. Scientists…