Physicists are quietly testing an audacious idea: that the mass of everything around us might not come from an invisible ...

Physicists are quietly advancing a radical idea: time might not be a single, thin line but a full three‑dimensional landscape ...

The theorized unseen structure of spacetime could also explain of the outstanding questions about the accelerating expansion ...

Can you imagine the imprint a four-dimensional hexagon might leave as it passes through your three-dimensional kitchen table? Probably not, but some people can. One such person was mathematician ...