NASA's Psyche spacecraft is flying to a metal asteroid. So, why did it just visit Mars? - Space

NASA's Psyche spacecraft is flying to a metal asteroid. So, why did it just visit Mars? Space NASA spacecraft to fly past Mars this week, on voyage to rare metal asteroid CBS News NASA’s Psyche spacecraft buzzing Mars on its way to a rare metal asteroid AP News NASA is using Mars as a slingshot—and the photos will be stunning Scientific American Today, NASA's Psyche Spacecraft Will Get Just 4,500 Kilometers From Mars To Slingshot Towards Its Final Destination IFLScience