• more about #aurora
    Gann: I bumped into an unseasonal aurora borealis while driving through Canada one summer. It was the most beautiful thing I've ever seen. Photos really c... more »
    vuffiraa: Gorgeous, but at least inform us when the photos are 6 months old or more... according to the NSF site, at least a few if not all of these were taken ... more »
    twophrasebark: Never mind... more »
    Anekanta - Go Play!: Yeah, but are there any freaky little aliens running around taking over people's bodies? more »
    BadUncle: Those are amazing photos. They look concept watercolors for a movie. more »
  • #spaceporn

    Aurora Australis Warms Up the Antarctic Sky

    Photos of the Aurora Borealis, the Northern Lights, have become a common enough sight, but a less frequently seen phenomenon is their Southern cousin, the Aurora Australis, which create a spectacular light show over the Antarctic desert. More »
  • #spaceporn

    Mysterious Infrared Aurora Glows at Saturn's North Pole

    This stunning infrared image of Saturn's northern region shows a luminous aurora with the planet's mottled rings below. The aurora appeared in an area that the Hubble Space Telescope can't see, so no one knew it was there until Cassini spotted it recently. What's really weird is that astronomers aren't really sure what's causing it, since this aurora doesn't conform to known models of aurora formation. More »
  • #militarytech

    Air Force Plans Fully Armed, Fully Autonomous Robot Plane

    It can't be bargained with. It can't be reasoned with. It doesn't feel pity, or remorse, or fear. And it absolutely will not stop, ever, until you are dead. And, also, the U.S. Air Force is thinking of building a few of them - unmanned aerial vehicles (UAVs) with vertical take-off and landing (VTOL) capability, armed to the robotic teeth with Advanced Precision Kill Weapon System (APKWS) missiles and equipped with YARA (Yet Another Rad Acronym). But, much like Arnold Schwarzenegger, the Aurora Excalibur has a softer, friendlier side as well. More »