More than five years into its mission, NASA's Mars Perseverance rover is still ambling across the surface of the red planet , doing what any five-year-old loves to do – stopping to look at every rock on its path. One of its latest discoveries happens to look surprisingly out of place, prompting scientists to wonder if it may not have come from Mars at all. Found in the Vernodden area of Jezero Crater , the 80-centimeter- (about 31-inch-) wide rock was given the name Phippsaksla. We now have two