30 May 2023
Three decades ago, we spotted the single most energetic particle ever seen, nicknamed the 'Oh-My-God particle'. Since then, we have seen many more ultra-high-energy cosmic rays – and now we are unravelling the mystery of what produces them
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
22 April 2023
An abridged inventory of everything there is in the universe – from rogue planets and exomoons to supernovae, supermassive black holes and the cosmic web.
27 March 2023
Primordial black holes older than the big bang could rewrite cosmology by providing evidence for a previous universe. It's a wild idea, but some physicists think we've got a chance of finding them
20 March 2023
In his final years, Stephen Hawking tackled the question of why the universe appears fine-tuned for life. His collaborator Thomas Hertog explains the radical solution they came up with
10 January 2023
If we can’t measure something, we can’t know its true nature. This fundamental limitation hampers our understanding of the quantum world – but it doesn't preclude scientific thinking
28 December 2022
Turning astrophysical data into audio has led to all sorts of surprising discoveries, from micrometeoroids bombarding spacecraft to lightning on Saturn. Now, there is a push to get more astronomers to use sonification
9 August 2022
From the exceedingly big to the unfathomably small, cosmologists are trying to unravel a bizarre set of figures that may reveal what happens inside a black hole, why the Higgs boson is so light and the chances of you having a doppelgänger
21 June 2022
Astronomer Feryal Özel is one of the pioneers of black hole photography. With two pictures in the album, she explains what we have learned about these gravitational monsters - and what comes next
16 March 2022
With 90 detections now under our belt, gravitational waves are solving riddles about the evolution of galaxies and missing black holes – and they could soon give us a glimpse of dark matter
