News

  1. Space

    Paradoxically, white dwarf stars shrink as they gain mass

    Observations of thousands of white dwarf stars have confirmed a decades-old theory about the relationship between their masses and sizes.

    By Maria Temming
  2. Health & Medicine

    Here’s what we know about Russia’s unverified coronavirus vaccine

    Despite incomplete testing, Sputnik V may be the first COVID-19 vaccine given to the general public, rolling out initially to teachers and doctors.

    By Tina Hesman Saey
  3. Health & Medicine

    How two coronavirus drugs for cats might help humans fight COVID-19

    Scientists are exploring if drugs for a disease caused by a coronavirus that infects only cats might help also people infected with the coronavirus.