Space
Curiosity Rover Takes Closest Look Yet at Mysterious Martian Boxwork Formations
NASA's Curiosity rover has gathered its fourth rock sample from enigmatic boxwork ridge formations in Gale Crater, structures formed when water flowed through underground fissures billions of years ago. Previous samples have shown tantalizing hints that may point to ancient life on Mars.
Key Takeaways
- Curiosity has collected its fourth rock sample from boxwork ridge formations in Gale Crater
- The formations were created by ancient water flowing through underground fissures billions of years ago
- Previous samples showed tantalizing hints that could be consistent with ancient biological activity
- The boxwork structures were first spotted from orbit in 2006 and were a key reason Curiosity was sent to Gale Crater
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