Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Perseverance rover has captured new ...

The depot will serve as a backup, in case Perseverance can't deliver its onboard samples to a rocket-toting lander. When you purchase through links on our site, we may earn an affiliate commission.

The lead scientist for NASA's Perseverance Mars rover is excited about material that has been stored in the rover's sample tubes. When you purchase through links on our site, we may earn an affiliate ...