Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.


Dark energy is tearing the Universe apart. What if the force is weakening?

A view of the Mayall Telescope at Kitt Peak National Observatory near Tucson, Arizona.

The Dark Energy Spectroscopic Instrument (DESI) at Kitt Peak Observatory in Arizona is collecting data to reconstruct how the Universe has expanded over billions of years. Credit: Marilyn Sargent/Berkeley Lab

Access options

Rent or buy this article

Prices vary by article type



Prices may be subject to local taxes which are calculated during checkout

Nature 629, 274-275 (2024)



Latest on:

Nature Careers


Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing


Quick links