News

  1. Microbes

    These climate-friendly microbes recycle carbon without producing methane

    A newly discovered group of single-celled archaea break down decaying plants without adding the greenhouse gas methane to the atmosphere.

    By Carolyn Gramling
  2. Astronomy

    Saturn has a fuzzy core, spread over more than half the planet’s diameter

    Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.

    By Ken Croswell
  3. Life

    Some viruses thwart bacterial defenses with a unique genetic alphabet

    DNA has four building blocks: A, C, T and G. But some bacteriophages swap A for Z, and scientists have figured out how and why they do it.