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 ISTSee pic: NASA's Mars rover Opportunity scales challenging terrains!
Opportunity is NASA's senior rover, which has been on Mars for 12 years now.
Feb 26, 2016, 10:38 AM IST