• more about #clouds
    Evil Tortie's Mom: R.O.A.C.H.: I thought this was already the accepted theory? Either this is something I read before, or I'm having alien-induced deja vu. more »
    Liz Weinbloom: Poor Alex Krycek. Lost your arm for nothing. more »
    Alessar: Just because it may have been caused by a "comet" it does not preclude the comet containing a UFO/Mystic Obelisk/Great Old One/Secret Toy Surprise/Che... more »
    ASquare: Don't get me wrong, I believe the scientific explanation, but let me just get this straight: the same type of clouds that the space shuttle produces w... more »
    GodofMonkeys: Fools! Tunguska was the first volley by the Comet Empire! Do not be fooled, my friends! We must prepare! We must arm ourselves! more »
    ManchuCandidate: Does this mean that Fox Mulder, Dale Gribble and all the UFO conspiracy guys are wrong? My world torn asunder by science and them alien loving science... more »
    Unprodigy - Unproductive - Unconscionable: Preeeeeetty clooooooouds... Oooh... more »
  • #atmosphericconditions

    The Cloud That Proved The 1908 Tunguska Explosion Was A Comet

    The mysterious Tunguska explosion in 1908 leveled hundreds of square miles of Siberian forest, leaving trees flattened to the ground. New evidence, based on strange, glowing clouds in the upper atmosphere, proves that Tunguska wasn't caused by aliens after all. More »
  • #spaceporn

    A View of Thunderheads Brewing from Space

    These thunderheads are brewing over the midwestern United States, a region where thunderstorms can whip up pretty damn fast. Courtesy of NASA, this image is one of a series running on the Boston Globe's website to celebrate the work done by the International Space Station. Want to see what this kind of cloud looks like a little closer? More »