13 June 2023
A few months ago, the James Webb Space Telescope spotted six early galaxies that were so large they threatened to break our best theory of how the cosmos evolved. Did they?
15 June 2022
The universe might meet its end in a big freeze, a big crunch, or a big rip. But whether time ends with the demise of the cosmos depends on whether it is even real after all
11 May 2022
For decades, measurements of the universe's expansion have suggested a discrepancy known as the Hubble tension, which threatens to transform cosmology. But a new method suggests the tension may not exist after all
13 January 2022
Astrophysicists hope a map created by the Dark Energy Spectroscopic Instrument will help answer questions about the expansion of the universe
30 December 2020
How big is the universe? What shape is it? How fast is it expanding? And when will it end? We answer these questions and more in our essential guide to the current state of cosmological knowledge
29 July 2020
There are many ways that the universe could come to an end. Katie Mack's book exploring them is a fascinating read
22 July 2020
A century ago, we missed the loose threads that told us our picture of the universe would unravel. Let’s not be so complacent now, says cosmologist Dan Hooper
20 May 2020
Cosmologist Katie Mack spends her days pondering the end of everything. Whether the cosmos dies a slow heat death or winks out of existence tomorrow, she finds it helps put everyday troubles in perspective
12 December 2017
One way to solve the dark matter problem is to chalk it up to black holes formed moments after the big bang, but they can’t account for all the dark matter
