
SpaceMore in Space→
Curiosity Rover Takes Closest Look Yet at Mysterious Martian Boxwork Formations
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
DE
DT Editorial Team··4 min read·via universetoday.com