Feature

  1. Animals

    Evolutionary enigmas

    Comb jelly genetics suggest a radical redrawing of the tree of life.

    By Amy Maxmen
  2. Planetary Science

    Faint Young Sun

    Scientists struggle to understand how early Earth stayed warm enough for liquid water.

    By Erin Wayman
  3. Animals

    A Different Kind of Smart

    Animals’ cognitive shortcomings are as revealing as their genius.

    By Susan Milius
  4. Health & Medicine

    The Human Brainome Project

    Obama announces ambitious plan to develop new tools for exploring neural circuitry.

    By Puneet Kollipara
  5. Tech

    Ignition Failed

    How America’s latest attempt at fusion power fizzled.

    By Andrew Grant
  6. Health & Medicine

    Dose of Reality

    HPV is epidemic, which is odd since it is largely preventable.