News

  1. Physics

    Solid Surprise: High-pressure oxygen takes unpredicted form

    X-ray analysis of oxygen crystals under high pressure indicated that the substance's two-atom molecules aggregate into groups of four, a crystalline structure that has never been seen before and isn't predicted by current quantum theory.

    By Sid Perkins
  2. Animals

    Sexually Deceptive Chemistry: Beetle larvae fake the scent of female bees

    Trick chemistry lets a bunch of writhing caterpillars attract a male bee that they then use as a flying taxi on their way to find food.

    By Susan Milius
  3. Planetary Science

    Oversize Orb: Puffy planet poses puzzle

    Astronomers have discovered what may be the largest planet ever found, an orb 36 percent wider than Jupiter that circles a nearby star.