The first reaction from NASA's Perseverance Mars Rover team when they saw this rock was, "Whoa, what is that? What could have caused that?" Learn all about the rover's 25th rock sample, dubbed Sapphire Canyon, and the clues it offers about possible past life on Mars. | NASA Mars

13K views · 516 reactions | Both scientists and the public can navigate a new global map of Mars that shows cliffs, craters, and dust devil tracks in mesmerizing detail. It uses a mosaic composed of 110,000 images from NASA’s Mars Reconnaissance Orbiter. See more and try it yourself: https://go.nasa.gov/410VjZI | NASA Mars | Facebook