News

  1. Planetary Science

    Meet the Milky Way’s puffiest planets

    Two “superpuff” planets orbiting a sunlike star over 1,000 light-years from Earth are as big as Jupiter and as dense as cotton candy.

    By Lisa Grossman
  2. Space

    Pluto has landslides

    New Horizons data reveal Pluto’s first six confirmed landslides along steep crater rims.

    By Katherine Kornei
  3. Science & Society

    Here’s what happens when you put politicians in charge of science

    Proposed federal rules would rely on political appointees to decide how a lot of U.S. science gets done. History shows the consequences of such actions.

    By Tina Hesman Saey
  4. Animals

    Summit living isn’t a problem for this tiny mouse

    A boost to heat production and drawing in more oxygen may help Andean leaf-eared mice thrive at altitude.