Neutrino oscillation is weird, but it may be weird in a useful way, because it might allow physicists to probe certain ...

A theory holds that dark matter could be involved in a mirror universe and that runs backwards before the Big Bang.

Scientists using Google’s quantum processor have taken a major step toward unraveling the deepest mysteries of the universe.

A recent resurgence of interest in a bold cosmological theory has reignited debate about the nature of dark matter, the Big ...

This week, this enormous scientific facility, ten years in the making, will begin its hunt for the most elusive particles in ...

The Concept of a Mirror Universe A universe that flows backward in time sounds more like science fiction than a scientific ...

The universe’s very existence could hinge on one particle so small it almost escaped discovery. These places will be hit by ...

The new measurement from LHCb has found differences between baryons and antibaryons, which are made of three quarks and three ...

In one new theory, it is possible that dark matter exists in a mirror universe where there are only dark versions of forces ...

A new nuclear clock, which uses the low-energy transition in the nucleus of a thorium-229 atom, could help detect the most ...

Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go ...

But there’s a puzzle: If matter and antimatter were created in equal amounts at the time of the Big Bang, as theory suggests, shouldn’t they have annihilated, leaving a universe made up of ...