CAPE CANAVERAL, Florida (Reuters) - A Martian rock analyzed by NASA's rover Opportunity contains clays formed in non-acidic water, an environment potentially suitable for the chemistry of ancient life to brew. The solar-powered Opportunity landed on Mars in January 2004 for what was expected to be a 90-day mission to look for signs there was once water. It, and a twin rover, Spirit, which succumbed to the harsh Martian...
↧