Ever since NASA’s Perseverance rover landed on Mars three years ago, it’s been collecting rocks and soil from the red planet. The plan was for NASA to send a robotic spacecraft to Mars to bring those samples back to Earth, but the agency has now scrapped those plans thanks to a ballooning price tag and extensive delays. With no way of getting to Mars on its own, NASA is hoping to hitch a ride with private space companies to finish the mission. Marketplace’s Lily Jamali spoke to Kenneth Chang, science reporter at The New York Times, about NASA’s difficulties on Mars and its partnerships with the private sector.

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