In an unprecedented step, researchers crafted a detailed model compatible with the universe’s accelerated expansion.

Natural physical networks are continuous, three-dimensional objects, like the small mathematical model displayed here.

If the universe was a soundtrack, we have been humming it our whole life. Every atom in our body, every star in the sky, every beam of light is part of a piece of music that never stops playing.

String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle, ...