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

NASA’s Perseverance rover has recently discovered a remarkable rock on Mars that could potentially rewrite the story of the planet’s geological history. Situated on the rim of the Jezero Crater, the rock has been named “Skull Hill,

Perseverance has collected samples of five rocks, performed detailed analysis on seven others, and zapped an additional 83 with its laser.