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 ...

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.

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly alkaline ones. Perseverance’s discoveries guide future sampling and strengthen ...