String theory, at least on paper, seems to have succeeded. Gravity not only fits in with quantum behavior — it is actually required by string theory. But here’s the problem: string theory is exciting ...

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 ...

Stop. Look around. All things, visible or not, are made of particles so tiny that many find their sizes difficult to comprehend. Far removed from our everyday experiences, they move at rapid speeds ...

My latest NotebookLM podcast creation is deeper and more fascinating than anything I've ever created, and I bet it'll shock you, too. I don't understand string theory. In fact, I bet there's fewer ...

Add Yahoo as a preferred source to see more of our stories on Google. Image: NASA, ESA, CSA, STScI, Adam Ginsburg (University of Florida), Nazar Budaiev (University of Florida), Taehwa Yoo (University ...

For a few millionths of a second after the Big Bang, the universe consisted of a hot soup of elementary particles called quarks and gluons. A few microseconds later, those particles began cooling to ...