News

  1. Chemistry

    It’s DNA Jim, but not as we know it

    Chemists synthesized a DNA-like molecule using unnatural versions of the “letters” that make up the genetic code.

    By Patrick Barry
  2. Paleontology

    A wandering eye

    New look at fossils of primitive flatfish reveals how these fish evolved eyes on one side of their head

    By Ashley Yeager
  3. Planetary Science

    Lunar liquid

    A new analysis of moon rocks has revealed that the moon isn’t as bone dry as researchers had thought, whetting the appetite of scientists who seek a deeper understanding of how Earth’s only natural satellite arose and evolved.

    By Ron Cowen
  4. Life

    Frog builds toes, then legs

    A small frog appears to jump-start its skeletal development, turning on genes for building feet and toes before bothering to build its legs.