Notebook

  1. Space

    A telescope dropped dark matter data from the edge of space. Here’s why

    Last May, NASA’s Super Pressure Balloon Imaging Telescope crash-landed in rural Argentina. Scientists scrambled to recover the dark matter data aboard.

    By Nikk Ogasa
  2. Animals

    This bird hasn’t been seen in 38 years. Its song may help track it down

    Using bioacoustics, South American scientists are eavesdropping on a forest in hopes of hearing the song of the long-missing purple-winged ground dove.

    By Meghie Rodrigues
  3. Science & Society

    Reindeer herders and scientists collaborate to understand Arctic warming

    Siberian reindeer herders and scientists are working together to figure out how to predict rain-on-snow events that turn tundra into deadly ice.