Yesterday, NASA announced (#MarsAnnouncement) that there is clear and compelling evidence for liquid water on present-day Mars. Flash news: we’ve known about this “evidence for water” since we’ve been orbiting Mars, for several decades now. There’s water in the Interstellar Medium, in the atmosphere of Jupiter, under the frozen crust of Enceladus, one of Saturn’s … More NASA Announces “Liquid Water Flows on Present Day Mars”