Feature Physics

The Ultimate Clock

Keeping precise time on the universe’s scale

By Charles Petit

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Physics

  1. illustration of drones above a city
    Quantum Physics

    Drones could help create a quantum internet

    By Emily Conover
  2. fluorine atoms bonded to hydrogen atom
    Chemistry

    This weird chemical bond acts like a mash-up of hydrogen and covalent bonds

    By Emily Conover
  3. Milky Way X-ray bubbles
    Astronomy

    Enormous X-ray bubbles balloon from the center of the Milky Way

    By Emily Conover
  4. illustration of quantum computer light channels
    Quantum Physics

    The new light-based quantum computer Jiuzhang has achieved quantum supremacy

    By Emily Conover
  5. copy of Isaac Newton’s Principia
    Physics

    Newton’s groundbreaking Principia may have been more popular than previously thought

    By Emily Conover
  6. supercooled water molecules illustrated
    Physics

    Supercooled water has been caught morphing between two forms

    By Emily Conover
  7. close up of lasers pointed at a target
    Physics

    Giant lasers help re-create supernovas’ explosive, mysterious physics

    By Emily Conover
  8. STEVE sky glow
    Earth

    STEVE may be even less like typical auroras than scientists thought

    By Maria Temming

From the Nature Index

Paid Content