Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Physicists are quietly advancing a radical idea: time might not be a single, thin line but a full three‑dimensional landscape. If that is true, the equations that describe the universe have to be ...

"The appearance of such structures sheds new light on the sorts of mathematical objects that nature is built from." When you purchase through links on our site, we may earn an affiliate commission.

The original version of this story appeared in Quanta Magazine. At the beginning of time and the center of every black hole lies a point of infinite density called a singularity. To explore these ...

Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time and the latter a point in space, but in both cases the normally ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...