15 June 2022
Physicists have long sought to marry general relativity and quantum mechanics – now some reckon experiments that probe the way each theory treats time could finally make it happen
3 June 2022
A few particles of light bouncing off a flying mirror made of charged particles may reveal whether or not black holes destroy information, a famous problem in physics
22 April 2021
Quantum field theory marries the ideas of other quantum theories to depict all particles as “excitations” that arise in underlying fields.
15 January 2020
In everyday life, causes always precede effects. But new experiments suggests that no such restriction applies in the quantum world
2 December 2019
Dark matter makes up most of the stuff in the universe, but we still don’t know what it is. Chamkaur Ghag is on the case
11 September 2019
Einstein’s framework for the universe, space-time, is at odds with quantum theory. Overcoming this clash and others is vital to unravelling the true nature of the cosmos
21 August 2019
A radical new idea erases quantum theory's weird uncertainties – by ripping up all we thought we knew about how the universe works, says physicist Lee Smolin
6 August 2019
Supergravity is an idea that could unite general relativity with quantum mechanics, and the three physicists who formulated it have now won a $3 million prize for their work
4 July 2019
Dark energy is a mysterious force making the universe fly apart faster and faster. Its discovery came from one of the most unexpected results in the history of astronomy: in the late 1990s, two groups studying far-off supernovae discovered that these...
12 June 2019
Quantum field theory marries the ideas of other quantum theories to depict all particles as “excitations” that arise in underlying fields.
