Water vapor detected on Mars can help answer whether the Red Planet was once habitable

(Natural News) An international team of researchers has detected water vapor rising from Mars, offering new clues as to whether the Red Planet was once home to aliens. The researchers made the discovery using an instrument called the Nadir and Occultation for Mars Discovery (NOMAD), which is aboard the ExoMars Trace Gas Orbiter jointly operated by the…  » READ MORE