News

  1. Planetary Science

    Digging deep into Martian soil

    NASA's rover takes a closer look at Mars' surface.

    By Nadia Drake
  2. Space

    Rogue planet found among gang of stars

    Astronomers report the closest such free-floating object to Earth.

    By Tanya Lewis
  3. Life

    Rainforest katydids evolved mammal-like ears

    Tiny hearing organs below insect’s knees have a structure similar to those in humans.

    By Susan Milius
  4. Tech

    Tiny muscles pull a big punch

    Coated carbon nanotubes form the basis of this smart new material.

    By Rachel Ehrenberg
  5. Humans

    Oldest examples of hunting weapon uncovered in South Africa

    A common ancestor of people and Neandertals may have flung stone-tipped shafts at animal prey.