fromArs Technica
4 days agoNASA found intriguing rocks on Mars, so where does that leave Mars Sample Return?
"This is exciting news," said Duffy about an arrow-shaped rock on Mars found by NASA's Perseverance rover. The rock contained chemical signatures and structures that could have been formed by ancient microbial life. The findings were intriguing, but not conclusive. Further study of the rocks in an advanced lab on Earth might prove more definitive. Duffy was ready, he said, to discuss the scientific results along with NASA experts on the call with reporters.
Science