But data from Perseverance's SuperCam instrument ruled that out as its composition doesn't match that of any known space rocks. Instead, researchers are now exploring the possibility that Skull ...

NASA scientists ruled that out — it didn’t have the high iron and nickel levels typical of space rocks. Another possible theory is that Skull Hill is an igneous rock formed when lava or magma ...

Nasa’s Perseverance rover has come across a bizarre find on Mars, a rock shaped like a skull that seems to defy ... iron and nickel content typical of space rocks. Another theory is that it ...