A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red Planet.

N ASA’s Perseverance rover had been on Mars for almost a thousand days when it spotted the odd-looking boulder on March 11. But this rock, perched on the lower slopes of Witch Hazel Hill in ...

NASA's Perseverance Mars rover has come across several unusual rocks that don't seem to be in their original place. Perseverance is currently searching for signs of ancient life in the hills and rocky ...