Evidence of ancient lake on Mars spotted by NASA's Opportunity rover!
Researchers plan to drive Opportunity down Perseverance Valley after completing a "walkabout" survey of the area above it.
Jun 26, 2017, 13:23 PM ISTStunning images of ancient fluid-carved valley on Mars beamed back by NASA's Opportunity rover!
The process that carved Perseverance Valley into the rim of Endeavour Crater billions of years ago has not yet been identified.
May 16, 2017, 19:33 PM IST