Alexandra Witze

Contributing Correspondent

Alexandra Witze is a contributing correspondent based in Boulder, Colorado. Among other exotic locales, her reporting has taken her to Maya ruins in the jungles of Guatemala, among rotting corpses at the University of Tennessee's legendary "Body Farm," and to a floating sea-ice camp at the North Pole. She has a bachelor's degree in geology from MIT and a graduate certification in science communication from the University of California, Santa Cruz. Among her honors are the Science-in-Society award from the National Association of Science Writers (shared with Tom Siegfried), and the American Geophysical Union's award for feature journalism. She coauthored the book Island on Fire, about the 18th-century eruption of the Icelandic volcano Laki.

All Stories by Alexandra Witze

  1. Physics

    Higgs discovery helps make sense of matter

    Long-sought boson completes standard model of physics.

  2. Astronomy

    Clutch of distant galaxies reveals the infant universe

    The Hubble telescope spies stars lighting up the cosmic dawn.

  3. Science & Society

    Descending to the Challenger Deep

    Director James Cameron reveals the science of his deep-sea exploration.

  4. Planetary Science

    Violent past revealed by map of moon’s interior

    A gravity survey by twin orbiters reveals how much the lunar surface was pummeled by meteorite impacts early in its history.

  5. Space

    Earth in the black

    Images capture fine details of planet’s night lights.

  6. Space

    Extraterrestrial chorus heard in radiation belts

    Van Allen probes capture sound of electromagnetic disturbances in Earth’s magnetosphere.

  7. Planetary Science

    Mars rover deploys final instrument

    Soil analysis finds organic compounds of uncertain origin.

  8. Earth

    Grand Canyon could be much older than thought

    Disputed dating of rock erosion pegs the ancient chasm as 70 million years old.

  9. Particle Physics

    The Particle at the End of the Universe

  10. Earth

    Mexican silver made it into English coins

    Chemical tests of currency help reveal where New World riches flowed.

  11. Physics

    Underwater avalanches go with the flow

    Lubricating fluid changes how grains collapse.

  12. Earth

    Pandas’ home range may move as climate changes

    Warming might force animals’ food source, bamboo, to higher elevations.