NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs ...

NASA’s Perseverance rover has found a never-before-seen dark rock named Skull Hill in Jezero Crater, offering new clues about ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...

Skull Hill is a type of "float" rock — one that likely originated elsewhere and was transported to its current location.