We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...

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

For more than a century, modern physics has rested on two towering frameworks that do not quite agree with each other.

A fringe new theory suggests that time is the fundamental structure of the physical universe, and space is merely a byproduct. According to Gunther Kletetschka, a geologist — not a physicist, you’ll ...

Here’s what you’ll learn when you read this story: Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration ...

By studying ripples in space-time, physicists are testing wheather dark energy might stem from hidden dimensions, elusive ...

The original version of this story appeared in Quanta Magazine. 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 ...