Subscribe now

Space

The universe’s evolution seems to be slowing and we don’t know why

The development of cosmic structure – the huge strands of galaxies and caverns of emptiness that make up our universe – seems to be slowing down more than expected. That could mean there is something wrong with our understanding of the universe

By Leah Crane

11 September 2023

The universe gets clumpier over time

The universe is evolving more slowly than expected

Javier Zayas Photography via Getty Images

There may be something wrong with our models of the cosmos. The matter in the universe is getting clumpier and clumpier over time but it appears to be happening more slowly than expected. This slow-down in the evolution of the large-scale structure of the universe could point to new particles or fields, or it could indicate that our understanding of dark matter isn’t quite right.

The evolution of the universe is largely governed by the push and pull of two competing forces…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox! We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

View introductory offers

No commitment, cancel anytime*

Offer ends 2nd of July 2024.

*Cancel anytime within 14 days of payment to receive a refund on unserved issues.

Inclusive of applicable taxes (VAT)

or

Existing subscribers

Sign in to your account