Tag: Red Planet

  • Martian Atmosphere Destroyed Billions of Years Ago

    CNN’s Elizabeth Landau highlights new findings by NASA’s Mars rover Curiousity: Two new studies in the journal Science this week suggest that the Martian atmosphere hasn’t changed much in terms of chemical composition in the past 4 billion years. It’s much thinner than our planet’s atmosphere, and the mix of ingredients isn’t friendly to living…

  • Mars had oxygen-rich atmosphere

    Mars had an oxygen-rich atmosphere four billion years ago – more than a billion years before Earth, according to a study of rock samples. NASA’s Mars Curiosity rover Photo: REUTERS By Nick Collins, and Agencies Rocks collected by Nasa’s Spirit rover from the surface of the Gusev crater were found to contain five times as much nickel as…