This fight has universal implications. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There's a puzzling mystery going on in the universe.

University of Chicago scientists have made a new measurement of how fast the universe is expanding—using an entirely different kind of star than previous endeavors. That value falls in the center of a ...

A new measurement of the fine-structure constant is three times more accurate than before. The constant helps glue together "coarse" and "fine" measurement of particles. The new measurement bests a ...

Even on a black hole’s turf, an essential constant of nature holds steady. According to standard physics, the fine-structure constant, which governs interactions of electrically charged particles, is ...