News

  1. Chemistry

    Not your grandpa’s smoke signals

    A fuse dotted with chemicals offers a new way to code messages.

    By Laura Sanders
  2. Space

    Evidence mounts for liquid interior of a Saturn moon

    Plumes of Enceladus offer hints that moon is now or was in the recent past partially liquid inside.

    By Ron Cowen
  3. Health & Medicine

    NFL heart profile good, with a caveat

    Football players have higher blood pressure on average, new study finds.

    By Nathan Seppa
  4. Earth

    A more organic meteorite

    Some meteorites may contain a higher concentration of organic chemicals than previously thought.

    By Sid Perkins
  5. Life

    Trees of stone tell tropical tale

    Peruvian petrified forest offers insight into low-latitude conditions of millions of years ago

    By Sid Perkins
  6. Life

    Ocean’s gazillion

    A picture of past ocean life suggests a higher capacity for marine life than what modern habitats host.