News

  1. Animals

    The U.S.’s first open-air genetically modified mosquitoes have taken flight

    After a decade of argument, Oxitec pits genetically modified mosquitoes against Florida’s spreaders of dengue and Zika.

    By Susan Milius
  2. Animals

    Elephants are dying in droves in Botswana. Scientists don’t know why

    Some type of pathogen may be behind the recent deaths of 39 elephants, a new wave that follows 350 deaths last summer.

    By Tawanda Karombo
  3. Climate

    Rivers might not be as resilient to drought as once thought

    Seven years after Australia’s Millennium drought, water flow in many rivers isn’t returning to predrought levels.

    By Carolyn Gramling
  4. Astronomy

    A study of Earth’s crust hints that supernovas aren’t gold mines

    Supernovas aren’t the main source of gold, silver and other heavy elements, a study of deep-sea crust suggests.