News

  1. Astronomy

    The first black hole ever discovered is more massive than previously thought

    New observations of Cygnus X-1 are leading astronomers to rethink what they know about stars that turn into black holes.

    By Maria Temming
  2. Health & Medicine

    The U.K. approved the world’s first COVID-19 human challenge trial

    Dozens of young, healthy volunteers will be deliberately exposed to the coronavirus to find out how much virus it takes to get someone sick.

    By Jonathan Lambert
  3. Health & Medicine

    The COVID-19 death toll sent U.S. life expectancy plunging in 2020

    Estimates show that American’s overall life expectancy declined by a year, but for Black Americans, the drop was almost three years.