Notebook

  1. Planetary Science

    Get your Pluto trivia down cold

    Eight months after visiting Pluto, the New Horizons spacecraft has delivered a wealth of details about the dwarf planet and its family of moons.

    By Christopher Crockett
  2. Paleontology

    True nature of ‘Tully monster’ revealed

    The identity of a 300-million-year-old enigmatic creature known as the “Tully monster” is a mystery no longer.

    By Meghan Rosen
  3. Astronomy

    Black hole smashup generated yottawatts of power

    For a split second, LIGO’s black hole collision generated 36 septillion yottawatts of power, or 50 times the power from all the stars in the universe.

    By Christopher Crockett
  4. Neuroscience

    Scientists still haven’t solved mystery of memory

    50 years have refined a basic understanding of the brain, but scientists are still exploring how memories form, change and persist.