The first two rock samples examined by NASA's Mars rover Perseverance give scientists a firm belief that water inundated Jezero Crater for a sustained period of time.
Was there life on Mars? Follow Earth’s quest to find out
The United States, China and the United Arab Emirates have launched missions to Mars. NASA has landed the new Perseverance rover on the Red Planet, carrying the first helicopter, Ingenuity, to operate on another planet. The explorers’ ultimate mission is to drill rock samples to look for conditions that may have supported ancient life.