NASA has found a rock on Mars that it has dubbed Skull Hill. The rock is known as a "float rock," and NASA has no idea where it came from.

Scientists are puzzled by a rock on Mars they've called "Skull Hill" and say originated from elsewhere. NASA’s Perseverance rover spotted the unusual specimen - featuring an eye socket-like ...

NASA Finds "Skull Hill" Rock On Mars, Believes It "Originated From Elsewhere" While moving through the Witch Hazel Hill area, one rock stood out against the background. James Felton.

Mars is covered in evidence of ancient lakes, rain and snow — but scientists aren't sure how that's possible; By locking its greenhouse gas away in rocks, Mars gradually grew cooler and drier ; ...