Pushed down to a certain scale, the laws of physics seem to fall apart. Astrid Eichhorn, a leader in an area of study called asymptotic safety, thinks we just need to push a little further.

For more than a century, physics has treated space and time as the smooth stage on which the universe unfolds, a flexible fabric that bends but never breaks. A new wave of theories is now challenging ...

It feels so obvious that time moves forward that questioning it can seem almost pointless. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.