News

  1. Physics

    Gravitational waves have revealed the first unevenly sized black hole pair

    For the first time, LIGO and Virgo scientists spotted gravitational waves produced when one big black hole merged with a smaller one.

    By Emily Conover
  2. Humans

    Here’s where things stand on COVID-19 tests in the U.S.

    Government officials are weighing how to loosen social distancing measures across the United States, but that hinges on widespread COVID-19 testing.

    By Erin Garcia de Jesús
  3. Chemistry

    Ancient recipes led scientists to a long-lost natural blue

    Led by medieval texts, scientists hunted down a plant and extracted from its tiny fruits a blue watercolor whose origins had long been a mystery.