News

  1. Anthropology

    The earliest known humans in Europe may have been found in a Bulgarian cave

    New finds from Bulgaria point to a relatively rapid expansion of Homo sapiens into Eurasia starting as early as 46,000 years ago, two studies suggest.

    By Bruce Bower
  2. Space

    Salty water might exist on Mars, but it’s probably too cold for life

    Salty liquids may last for several hours on the Red Planet but be too chilly for any known microorganisms from Earth to survive, simulations suggest.

    By Christopher Crockett
  3. Health & Medicine

    A multiple sclerosis drug may speed COVID-19 recovery

    One form of interferon may boost the immune system’s ability to fight the coronavirus early in infections, a small study suggests.