Recent images from the European Space Agency`s Mars Express spacecraft have revealed long rows of craterlike depressions lining the flanks of ancient Martian volcanoes in the planet`s vast Tharsis region. Experts believe that these ‘pit chains’ were likely caused by underground lava flows which, they say, could be prime places to look for life. Universe Today, Tags: Mars, European Space Agency, space, Sci-Tech, World, News, Читать далее, Source: Voice of Russia.