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At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it? String theorists, this one may be for you. The theorized object warps spacetime ...

For more than a century, physicists have suspected that the familiar three dimensions of space and one of time might be only ...

Could the universe have hidden dimensions we’ve yet to detect? The idea of extra dimensions has intrigued physicists for over ...

The original version of this story appeared in Quanta Magazine. String theory captured the hearts and minds of many physicists decades ago because of a beautiful simplicity. Zoom in far enough on a ...

Physicists have determined that most of the universe is dark matter -- invisible to us but affecting the universe anyway.

While the existence of extra dimensions is a cool idea, it's currently not supported by any evidence ...