Uncategorized

  1. Astronomy

    A gargantuan supernova remnant looks 40 times as big as the full moon

    New observations confirm that a cloud in the constellation Antlia really is a supernova remnant and the largest ever seen from Earth.

    By Ken Croswell
  2. Earth

    Phosphorus for Earth’s earliest life may have been forged by lightning

    Lightning strikes can supply one of life’s essential elements, long thought to be delivered by meteorites billions of years ago.

    By Maria Temming
  3. Space

    Most of Mars’ missing water may lurk in its crust

    Computer simulations of the fate of Mars’ water may explain why the Red Planet turned into a desert, when so little of its water has escaped into space.