17 July 2023
There is a lot we don’t know about protons, the particles at the heart of the atom, from what they are made of to whether they live forever. Solving the mysteries surrounding them could transform our understanding of the universe.
5 July 2023
In the face of new evidence, physicists are starting to view the cosmos not as made up of disparate layers, but as a quantum whole linked by entanglement
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
10 May 2023
So-called virtual particles aren't particles at all. Some argue that they are merely mathematical figments, and that we need to find a better way to understand particle interactions
10 May 2023
Making a wormhole that a human could theoretically travel through would require an upside-down universe and negative energy
10 May 2023
The symmetries of matter are deeper and stranger than they first appear, and they have driven many of the biggest breakthroughs in particle physics. But have we exhausted their usefulness?
10 May 2023
A better understanding of emergent phenomena like the wetness of water, where the properties of a system can't be explained by those of its constituent parts, could unravel some big mysteries
10 May 2023
In the search for a theory that unites general relativity and quantum physics, many have tried to rethink space-time. But what if space-time emerges naturally, like a hologram?
3 May 2023
The holographic universe theory still grips physicists 25 years since it was first published. Here’s what it is all about
5 April 2023
Get to grips with the deepest layer of reality we know of with our inventory of the subatomic realm, from known particles like quarks and the Higgs boson to hypotheticals including the fifth force and strings in 11 dimensions
