News

  1. Planetary Science

    Before the Mississippi, minerals show ancient rivers flowed west

    Michigan zircons uncover the path of an ancient river system across North America.

    By Sid Perkins
  2. Life

    Marine creature cooks up chemical defense from food

    The sea hare transforms a benign algal pigment into a noxious molecule to help ward off crabs and other predators, new studies show.

    By Rachel Ehrenberg
  3. Physics

    A giant proposal for a new type of molecule

    Atoms linked across vast distances, can point in two directions at once

    By Laura Sanders
  4. Space

    Jupiter takes yet another hit

    For the third time in 16 years, astronomers have documented a collision between Jupiter and a nearby body.