- Science news this week: A ‘skull’ on Mars and the discovery of a brand-new color Live Science
- Origins Uncertain: ‘Skull Hill’ Rock NASA Science (.gov)
- NASA rover discovers out-of-place ‘Skull’ on Mars, and scientists are baffled Yahoo
- NASA’s Perseverance Rover Finds Strange Rocks on Mars WIRED
- Mysterious Mars Rock Leaves Scientists Searching For Origin Clues Forbes
Source: US