Uncategorized

  1. Planetary Science

    Decades-old idea brought to fruition: a mission to Mercury

    In 1965, engineers proposed sending a spacecraft to Mercury with help from another planet’s gravity – a technique now used in many interplanetary missions.

    By Christopher Crockett
  2. Animals

    That’s how shrimpfish roll

    A tails-up swimmer makes rare moves.

    By Susan Milius
  3. Physics

    How blueshift might beat redshift

    Even though the expanding universe makes light redder, light emitted by collapsing stars and dust clouds could appear unusually blue.

    By Andrew Grant
  4. Anthropology

    Scans tell gripping tale of possible ancient tool use

    South African fossils contain inner signs of humanlike hands, indicating possible tool use nearly 3 million years ago.