Perseverance takes a selfie with its helicopter companion Ingenuity in the background. NASA/JPL-Caltech/MSSS hide caption
Curiosity
NASA's rover Curiosity crawls up the side of Vera Rubin Ridge on Mars' surface in January 2018. Mount Sharp — a 3-mile-high mountain — can be seen in the distance. MSSS/ NASA/JPL-Caltech hide caption
NASA's Mars rover Curiosity took photos from the Vera Rubin Ridge showing the interior and rim of Gale Crater. The full image features 16 photos stitched together. NASA/JPL-Caltech/MSSS hide caption
The rover took this photo of purplish rocks at the base of Mars' Mount Sharp on Nov. 10. NASA/JPL-Caltech hide caption
The Limbic Reward System lights up when curiosity is piqued. LA Johnson/NPR hide caption
This view combines several frames taken by the Mast Camera (Mastcam) on NASA's Mars rover Curiosity, looking into a valley to the west from the eastern side of a dune at the eastern end of the valley. NASA/JPL-Caltech/MSSS hide caption
NASA says it has found proof that water shaped the rocks on the left, in a photograph taken by the Mars rover Curiosity (left). For comparison, the agency released an image of rocks from the Earth (right). NASA hide caption
David Oh, wife Bryn and his children Braden, 13, Ashlyn, 10, and Devyn, 8, picnic in Santa Monica beach at about 1 a.m. David Oh hide caption