
particle physics

Definition
Black holes

Question
Are there multiple universes?

Definition
Dark matter

Physics
Bizarre pentaquark turns out to be a new kind of subatomic 'molecule'
51¶¯Âþ

Space
We've seen signs of a mirror-image universe that is touching our own
Features

People in Science
Chien-Shiung Wu

Definition
Causality
Physics
The secret of dark matter could be a particle the size of a planet
Features
Physics
The kilogram has been transformed as new definition takes hold
Regulars
Physics
Axions may or may not exist - but we're not just making things up
Comment
Physics
Physicist Kate Shaw on Higgs bosons and how reality is an illusion
Regulars

