Uncategorized

  1. Life

    Dinosaurs broiled, not grilled

    Debris from K-T impact could have been heat source and heat shield.

    By Lisa Grossman
  2. Paleontology

    New fossil helps solidify dino origins

    The dog-sized creature bolsters the notion that early dinosaurs first appeared in what is now South America.

    By Sid Perkins
  3. Earth

    Earth’s atmosphere may be extraterrestrial in origin

    Analyses of krypton, xenon hint that air didn’t fizz from within the planet.

    By Sid Perkins
  4. Life

    Fruit flies can be alcoholics too

    Drinking behavior of Drosophila shows similarities to human addiction.

    By Laura Sanders
  5. Space

    Heat-seeking WISE spacecraft to scan the skies

    The new instrument promises to discover millions of infrared-bright galaxies and thousands of previously unknown asteroids and brown dwarfs.