String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...

String theory is the most well known candidate for a theory of everything — a mathematical framework that would meld the world of the very small, described by quantum mechanics, and the very large, as ...

At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it?

String theory remains our best candidate for a theory of everything, but where can it be tested? By studying black holes, says Marika Taylor. When you purchase through links on our site, we may earn ...