Essay

  1. Planetary Science

    Going to space? Always, always pack a camera

    Planetary scientist Candice Hansen-Koharcheck championed the importance of space imagery. Her legacy lives on in every pixel that comes back to Earth.

    By Marina Koren
  2. Science & Society

    On moonshots and Minneapolis

    Space exploration can bring people together and reflect deep societal divisions.

    By Lisa Grossman
  3. Earth

    How hot can Earth get? Our planet’s climate history holds clues

    Earth has survived huge temperature swings over eons of climate change. Humans might not be so lucky.

    By Elise Cutts
  4. Health & Medicine

    Louis Pasteur’s devotion to truth transformed what we know about health and disease

    Two centuries after his birth, Louis Pasteur's work on pasteurization, germ theory and vaccines is as relevant as ever.