In the following interviews, read what seven physicists—some string theorists and some not—have to say about the theory and some of its more mind-bending components, such as extra dimensions ...

Last month, the Dark Energy Spectroscopic Instrument (DESI) collective reported that dark energy is evolving—specifically ...

NOVA: Do you think string theory will ever be accepted as widely ... put general relativity on the map was its prediction of the bending of starlight by the sun, which in 1919 was confirmed ...

That was 30 years ago this month, making the moment ripe for taking stock: Is string theory revealing reality’s deep laws? Or, as some detractors have claimed, is it a mathematical mirage that ...