24 May 2023
Researchers are building models of everything from black holes to the big bang in tanks of liquid. Now some claim these surprisingly simple models are showing us where our theories of space-time are wrong
3 May 2023
The holographic universe theory still grips physicists 25 years since it was first published. Here’s what it is all about
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
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
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
29 April 2020
The question of how the brain gives rise to subjective experience is the hardest of all. Mathematicians think they can help, but their first attempts have thrown up some eye-popping conclusions
8 April 2020
Strange particles observed by an experiment in Antarctica could be evidence of an alternative reality where everything is upside down
12 February 2020
In a universe that unthinkingly follows the rules, human agency is an anomaly. Can physics ever make sense of our power to change the physical world at will?
