Tiny twinkles or classic Christmas glow? The right lights can transform your tree.

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, ...

String theory is the idea that the building blocks of nature are made up of tiny, one-dimensional strings of energy rather than point particles. According to the theory, these strings vibrate at ...

Scientists seeking the secrets of the universe would like to make a model that shows how all of nature’s forces and particles fit together. It would be nice to do it with Legos. But perhaps a better ...